Download JNTU Kakinada B.Tech 1-1 2013 Nov R10 ENGINEERING PHYSICS I Question Paper

Download JNTUK (Jawaharlal Nehru Technological University Kakinada) B.Tech Supplementary 2013 Oct-Nov R10 I Semester (1st Year 1st Sem) ENGINEERING PHYSICS I Question Paper.

Code No: R10103/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Describe the principle and formation of Newton's rings and explain a method
to determine wavelength of light using Newton's rings setup.
(b) Newton's rings are observed in the re ected light of wavelength 5900

A. The
diameter of 10
th
dark ring is 0.5 cm. Find the radius of curvature of lens used.
[11+4]
2. (a) What is meant by di raction of light? Explain it on the basis of Huygen's wave
theory.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima.
(c) Write notes on Rayleigh's Criterion [4+7+4]
3. (a)What is a quarter wave plate? Deduce its thickness for a given wave length in
terms of its refractive indices.
(b) Find the minimum thickness of half wave and quarter wave plates for a light
beam of wavelength 589.3nm. If 
o
= 1.65833 and 
e
= 1.48640. [11+4]
4. (a)What is a crystal? Why are most solids crystalline in nature?
(b) Explain the structures of NaCl and CsCl? [5+10]
5. (a)State and explain Bragg's law.
(b) Describe with suitable diagram, the powder method of determination of crystal
structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which Bragg's
re ection maximum can be seen. [4+7+4]
6. (a) What are the main components of any laser system? Explain their role in laser
production.
(b) What is the reason for monochromaticity of laser beam?
(c) What are the applications of lasers in medicine? [9+3+3]
7. (a)Describe the construction of an optical ber and give typical dimensions of
various parts.

FirstRanker.com - FirstRanker's Choice
Code No: R10103/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Describe the principle and formation of Newton's rings and explain a method
to determine wavelength of light using Newton's rings setup.
(b) Newton's rings are observed in the re ected light of wavelength 5900

A. The
diameter of 10
th
dark ring is 0.5 cm. Find the radius of curvature of lens used.
[11+4]
2. (a) What is meant by di raction of light? Explain it on the basis of Huygen's wave
theory.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima.
(c) Write notes on Rayleigh's Criterion [4+7+4]
3. (a)What is a quarter wave plate? Deduce its thickness for a given wave length in
terms of its refractive indices.
(b) Find the minimum thickness of half wave and quarter wave plates for a light
beam of wavelength 589.3nm. If 
o
= 1.65833 and 
e
= 1.48640. [11+4]
4. (a)What is a crystal? Why are most solids crystalline in nature?
(b) Explain the structures of NaCl and CsCl? [5+10]
5. (a)State and explain Bragg's law.
(b) Describe with suitable diagram, the powder method of determination of crystal
structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which Bragg's
re ection maximum can be seen. [4+7+4]
6. (a) What are the main components of any laser system? Explain their role in laser
production.
(b) What is the reason for monochromaticity of laser beam?
(c) What are the applications of lasers in medicine? [9+3+3]
7. (a)Describe the construction of an optical ber and give typical dimensions of
various parts.
Code No: R10103/R10 Set No. 1
(b) Write notes on Attenuation losses in optical ber communication.
(c) . Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and cladding 1.563 and 1.498 respectively.
8. (a) What is ultrasonic testing and explain the basic principle?
(b) What are the properties of Ultrasonic Waves?
?????

FirstRanker.com - FirstRanker's Choice
Code No: R10103/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Describe the principle and formation of Newton's rings and explain a method
to determine wavelength of light using Newton's rings setup.
(b) Newton's rings are observed in the re ected light of wavelength 5900

A. The
diameter of 10
th
dark ring is 0.5 cm. Find the radius of curvature of lens used.
[11+4]
2. (a) What is meant by di raction of light? Explain it on the basis of Huygen's wave
theory.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima.
(c) Write notes on Rayleigh's Criterion [4+7+4]
3. (a)What is a quarter wave plate? Deduce its thickness for a given wave length in
terms of its refractive indices.
(b) Find the minimum thickness of half wave and quarter wave plates for a light
beam of wavelength 589.3nm. If 
o
= 1.65833 and 
e
= 1.48640. [11+4]
4. (a)What is a crystal? Why are most solids crystalline in nature?
(b) Explain the structures of NaCl and CsCl? [5+10]
5. (a)State and explain Bragg's law.
(b) Describe with suitable diagram, the powder method of determination of crystal
structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which Bragg's
re ection maximum can be seen. [4+7+4]
6. (a) What are the main components of any laser system? Explain their role in laser
production.
(b) What is the reason for monochromaticity of laser beam?
(c) What are the applications of lasers in medicine? [9+3+3]
7. (a)Describe the construction of an optical ber and give typical dimensions of
various parts.
Code No: R10103/R10 Set No. 1
(b) Write notes on Attenuation losses in optical ber communication.
(c) . Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and cladding 1.563 and 1.498 respectively.
8. (a) What is ultrasonic testing and explain the basic principle?
(b) What are the properties of Ultrasonic Waves?
?????
Code No: R10103/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) De ne Interference of light. Describe the Young's double slit experiment on the
interference of light and obtain an expression for the bandwidth of the interference
pattern.
(b) In Young's experiment, the screen is placed at a distance of 1 metre from the
slits, the slits are 2 mm apart and are illuminated by the light of wavelength 5890
A.U. Calculate the fringe width. [11+4]
2. (a) Di erentiate between interference and di raction intensity patterns. How do
you di erentiate the Fresnel di raction to that of Fraunhofer di raction?
(b) How many orders will be visible, if the wavelength of light is 5000

A. Given
that the number of lines per centimeter on the grating is 6655. [11+4]
3. (a)What do you mean by Polarisation?
(b) Distinguish between Polarised and Unpolarised lights.
(c) What are Quarter and Full wave plates. Drive the expressions for their thick-
ness? [4+5+6]
4. (a)What is a Bravais lattice? List out the di erent types of Bravais lattices which
are possible among the seven di erent crystal systems.
(b) Estimate the percentage of viod space in BCC Crystal.
(c) Metallic Iron changes from BCC to FCC at 910
o
C and correspondingly the
atomic radius varies from 1.258 A
o
to 1.292 A
o
. Calculate the percentage of volume
change during this structural change.
5. (a)Explain Bragg's law of X-ray di raction.
(b) Describe Laue's method for determination of crystal structure.
(c) The Bragg's angle for re ection from the (110) plane in FCC crystal is 19:2
o
for
an X-ray wavelength of 1.54

A. Compute the cube edge of the unit cell. [3+8+4]
6. (a) What is laser? What are the important characteristics of lasers?
(b) Derive the relation between di erent Einstein coecients.
(c) What are the industrial applications of lasers? [5+7+3]
7. (a) What are the conditions to produce total internal re ection in optical ber.

FirstRanker.com - FirstRanker's Choice
Code No: R10103/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Describe the principle and formation of Newton's rings and explain a method
to determine wavelength of light using Newton's rings setup.
(b) Newton's rings are observed in the re ected light of wavelength 5900

A. The
diameter of 10
th
dark ring is 0.5 cm. Find the radius of curvature of lens used.
[11+4]
2. (a) What is meant by di raction of light? Explain it on the basis of Huygen's wave
theory.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima.
(c) Write notes on Rayleigh's Criterion [4+7+4]
3. (a)What is a quarter wave plate? Deduce its thickness for a given wave length in
terms of its refractive indices.
(b) Find the minimum thickness of half wave and quarter wave plates for a light
beam of wavelength 589.3nm. If 
o
= 1.65833 and 
e
= 1.48640. [11+4]
4. (a)What is a crystal? Why are most solids crystalline in nature?
(b) Explain the structures of NaCl and CsCl? [5+10]
5. (a)State and explain Bragg's law.
(b) Describe with suitable diagram, the powder method of determination of crystal
structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which Bragg's
re ection maximum can be seen. [4+7+4]
6. (a) What are the main components of any laser system? Explain their role in laser
production.
(b) What is the reason for monochromaticity of laser beam?
(c) What are the applications of lasers in medicine? [9+3+3]
7. (a)Describe the construction of an optical ber and give typical dimensions of
various parts.
Code No: R10103/R10 Set No. 1
(b) Write notes on Attenuation losses in optical ber communication.
(c) . Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and cladding 1.563 and 1.498 respectively.
8. (a) What is ultrasonic testing and explain the basic principle?
(b) What are the properties of Ultrasonic Waves?
?????
Code No: R10103/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) De ne Interference of light. Describe the Young's double slit experiment on the
interference of light and obtain an expression for the bandwidth of the interference
pattern.
(b) In Young's experiment, the screen is placed at a distance of 1 metre from the
slits, the slits are 2 mm apart and are illuminated by the light of wavelength 5890
A.U. Calculate the fringe width. [11+4]
2. (a) Di erentiate between interference and di raction intensity patterns. How do
you di erentiate the Fresnel di raction to that of Fraunhofer di raction?
(b) How many orders will be visible, if the wavelength of light is 5000

A. Given
that the number of lines per centimeter on the grating is 6655. [11+4]
3. (a)What do you mean by Polarisation?
(b) Distinguish between Polarised and Unpolarised lights.
(c) What are Quarter and Full wave plates. Drive the expressions for their thick-
ness? [4+5+6]
4. (a)What is a Bravais lattice? List out the di erent types of Bravais lattices which
are possible among the seven di erent crystal systems.
(b) Estimate the percentage of viod space in BCC Crystal.
(c) Metallic Iron changes from BCC to FCC at 910
o
C and correspondingly the
atomic radius varies from 1.258 A
o
to 1.292 A
o
. Calculate the percentage of volume
change during this structural change.
5. (a)Explain Bragg's law of X-ray di raction.
(b) Describe Laue's method for determination of crystal structure.
(c) The Bragg's angle for re ection from the (110) plane in FCC crystal is 19:2
o
for
an X-ray wavelength of 1.54

A. Compute the cube edge of the unit cell. [3+8+4]
6. (a) What is laser? What are the important characteristics of lasers?
(b) Derive the relation between di erent Einstein coecients.
(c) What are the industrial applications of lasers? [5+7+3]
7. (a) What are the conditions to produce total internal re ection in optical ber.
Code No: R10103/R10 Set No. 2
(b) Describe structure of di erent types of Optical bers with ray paths.
(c) Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and the cladding are 1.563 and 1.498 respectively. [3+8+4]
8. (a) Discuss various non-destructive testing systems which are commonly adopted
in industries using ultrasonics.
(b) Describe the ultrasonic aw detector with suitable diagram. [10+5]
?????

FirstRanker.com - FirstRanker's Choice
Code No: R10103/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Describe the principle and formation of Newton's rings and explain a method
to determine wavelength of light using Newton's rings setup.
(b) Newton's rings are observed in the re ected light of wavelength 5900

A. The
diameter of 10
th
dark ring is 0.5 cm. Find the radius of curvature of lens used.
[11+4]
2. (a) What is meant by di raction of light? Explain it on the basis of Huygen's wave
theory.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima.
(c) Write notes on Rayleigh's Criterion [4+7+4]
3. (a)What is a quarter wave plate? Deduce its thickness for a given wave length in
terms of its refractive indices.
(b) Find the minimum thickness of half wave and quarter wave plates for a light
beam of wavelength 589.3nm. If 
o
= 1.65833 and 
e
= 1.48640. [11+4]
4. (a)What is a crystal? Why are most solids crystalline in nature?
(b) Explain the structures of NaCl and CsCl? [5+10]
5. (a)State and explain Bragg's law.
(b) Describe with suitable diagram, the powder method of determination of crystal
structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which Bragg's
re ection maximum can be seen. [4+7+4]
6. (a) What are the main components of any laser system? Explain their role in laser
production.
(b) What is the reason for monochromaticity of laser beam?
(c) What are the applications of lasers in medicine? [9+3+3]
7. (a)Describe the construction of an optical ber and give typical dimensions of
various parts.
Code No: R10103/R10 Set No. 1
(b) Write notes on Attenuation losses in optical ber communication.
(c) . Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and cladding 1.563 and 1.498 respectively.
8. (a) What is ultrasonic testing and explain the basic principle?
(b) What are the properties of Ultrasonic Waves?
?????
Code No: R10103/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) De ne Interference of light. Describe the Young's double slit experiment on the
interference of light and obtain an expression for the bandwidth of the interference
pattern.
(b) In Young's experiment, the screen is placed at a distance of 1 metre from the
slits, the slits are 2 mm apart and are illuminated by the light of wavelength 5890
A.U. Calculate the fringe width. [11+4]
2. (a) Di erentiate between interference and di raction intensity patterns. How do
you di erentiate the Fresnel di raction to that of Fraunhofer di raction?
(b) How many orders will be visible, if the wavelength of light is 5000

A. Given
that the number of lines per centimeter on the grating is 6655. [11+4]
3. (a)What do you mean by Polarisation?
(b) Distinguish between Polarised and Unpolarised lights.
(c) What are Quarter and Full wave plates. Drive the expressions for their thick-
ness? [4+5+6]
4. (a)What is a Bravais lattice? List out the di erent types of Bravais lattices which
are possible among the seven di erent crystal systems.
(b) Estimate the percentage of viod space in BCC Crystal.
(c) Metallic Iron changes from BCC to FCC at 910
o
C and correspondingly the
atomic radius varies from 1.258 A
o
to 1.292 A
o
. Calculate the percentage of volume
change during this structural change.
5. (a)Explain Bragg's law of X-ray di raction.
(b) Describe Laue's method for determination of crystal structure.
(c) The Bragg's angle for re ection from the (110) plane in FCC crystal is 19:2
o
for
an X-ray wavelength of 1.54

A. Compute the cube edge of the unit cell. [3+8+4]
6. (a) What is laser? What are the important characteristics of lasers?
(b) Derive the relation between di erent Einstein coecients.
(c) What are the industrial applications of lasers? [5+7+3]
7. (a) What are the conditions to produce total internal re ection in optical ber.
Code No: R10103/R10 Set No. 2
(b) Describe structure of di erent types of Optical bers with ray paths.
(c) Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and the cladding are 1.563 and 1.498 respectively. [3+8+4]
8. (a) Discuss various non-destructive testing systems which are commonly adopted
in industries using ultrasonics.
(b) Describe the ultrasonic aw detector with suitable diagram. [10+5]
?????
Code No: R10103/R10 Set No. 3
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Explain Young's double slit experiment.
(b) Derive an expression for wavelength of light in terms of fringe width in inter-
ference pattern due to Young's double slit. [5+10]
2. (a) What are the types of di ractions and give the di erences between them.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima. [5+10]
3. (a) What is Malus' law? What is Brewster's law? Prove that the angle between
re ected and refracted beams is 90
0
, if the angle of incidence corresponds to Brew-
ster's angle.
(b) The refractive index of calcite for ordinary ray is 1.658 and for extra ordinary
ray is 1.486. The slice having the thickness 0:9x10
4
cm is cut from the crystal.
For what wavelength this slice acts as half wave plate? [11+4]
4. (a)Describe the seven crystal systems with diagrams.
(b) Classify various lattice types in the crystal system. [10+5]
5. (a)What are Miller indices? How are they derived? What are the important feature
of Miller indices?
(b) Derive Bragg's law? Explain the limiting condition for Bragg's law [7+8]
6. (a) Describe the construction and working of Semiconductor laser.
(b) Mention any two applications each of laser in Industry and Scienti c elds.
[12+3]
7. (a)Describe the structures of di erent types of optical bers with ray paths.
(b) What are the conditions to produce total internal re ection in optical ber.
(c) Calculate the numerical aperture for an optical ber with core and cladding
refractive indices being 1.48 and 1.45 respectively. [8+3+4]
8. (a) Explain the basic principle of ultrasonic testing.
(b) What are the advantages and limitations of ultrasonic testing. [5+10]
?????

FirstRanker.com - FirstRanker's Choice
Code No: R10103/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Describe the principle and formation of Newton's rings and explain a method
to determine wavelength of light using Newton's rings setup.
(b) Newton's rings are observed in the re ected light of wavelength 5900

A. The
diameter of 10
th
dark ring is 0.5 cm. Find the radius of curvature of lens used.
[11+4]
2. (a) What is meant by di raction of light? Explain it on the basis of Huygen's wave
theory.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima.
(c) Write notes on Rayleigh's Criterion [4+7+4]
3. (a)What is a quarter wave plate? Deduce its thickness for a given wave length in
terms of its refractive indices.
(b) Find the minimum thickness of half wave and quarter wave plates for a light
beam of wavelength 589.3nm. If 
o
= 1.65833 and 
e
= 1.48640. [11+4]
4. (a)What is a crystal? Why are most solids crystalline in nature?
(b) Explain the structures of NaCl and CsCl? [5+10]
5. (a)State and explain Bragg's law.
(b) Describe with suitable diagram, the powder method of determination of crystal
structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which Bragg's
re ection maximum can be seen. [4+7+4]
6. (a) What are the main components of any laser system? Explain their role in laser
production.
(b) What is the reason for monochromaticity of laser beam?
(c) What are the applications of lasers in medicine? [9+3+3]
7. (a)Describe the construction of an optical ber and give typical dimensions of
various parts.
Code No: R10103/R10 Set No. 1
(b) Write notes on Attenuation losses in optical ber communication.
(c) . Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and cladding 1.563 and 1.498 respectively.
8. (a) What is ultrasonic testing and explain the basic principle?
(b) What are the properties of Ultrasonic Waves?
?????
Code No: R10103/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) De ne Interference of light. Describe the Young's double slit experiment on the
interference of light and obtain an expression for the bandwidth of the interference
pattern.
(b) In Young's experiment, the screen is placed at a distance of 1 metre from the
slits, the slits are 2 mm apart and are illuminated by the light of wavelength 5890
A.U. Calculate the fringe width. [11+4]
2. (a) Di erentiate between interference and di raction intensity patterns. How do
you di erentiate the Fresnel di raction to that of Fraunhofer di raction?
(b) How many orders will be visible, if the wavelength of light is 5000

A. Given
that the number of lines per centimeter on the grating is 6655. [11+4]
3. (a)What do you mean by Polarisation?
(b) Distinguish between Polarised and Unpolarised lights.
(c) What are Quarter and Full wave plates. Drive the expressions for their thick-
ness? [4+5+6]
4. (a)What is a Bravais lattice? List out the di erent types of Bravais lattices which
are possible among the seven di erent crystal systems.
(b) Estimate the percentage of viod space in BCC Crystal.
(c) Metallic Iron changes from BCC to FCC at 910
o
C and correspondingly the
atomic radius varies from 1.258 A
o
to 1.292 A
o
. Calculate the percentage of volume
change during this structural change.
5. (a)Explain Bragg's law of X-ray di raction.
(b) Describe Laue's method for determination of crystal structure.
(c) The Bragg's angle for re ection from the (110) plane in FCC crystal is 19:2
o
for
an X-ray wavelength of 1.54

A. Compute the cube edge of the unit cell. [3+8+4]
6. (a) What is laser? What are the important characteristics of lasers?
(b) Derive the relation between di erent Einstein coecients.
(c) What are the industrial applications of lasers? [5+7+3]
7. (a) What are the conditions to produce total internal re ection in optical ber.
Code No: R10103/R10 Set No. 2
(b) Describe structure of di erent types of Optical bers with ray paths.
(c) Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and the cladding are 1.563 and 1.498 respectively. [3+8+4]
8. (a) Discuss various non-destructive testing systems which are commonly adopted
in industries using ultrasonics.
(b) Describe the ultrasonic aw detector with suitable diagram. [10+5]
?????
Code No: R10103/R10 Set No. 3
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Explain Young's double slit experiment.
(b) Derive an expression for wavelength of light in terms of fringe width in inter-
ference pattern due to Young's double slit. [5+10]
2. (a) What are the types of di ractions and give the di erences between them.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima. [5+10]
3. (a) What is Malus' law? What is Brewster's law? Prove that the angle between
re ected and refracted beams is 90
0
, if the angle of incidence corresponds to Brew-
ster's angle.
(b) The refractive index of calcite for ordinary ray is 1.658 and for extra ordinary
ray is 1.486. The slice having the thickness 0:9x10
4
cm is cut from the crystal.
For what wavelength this slice acts as half wave plate? [11+4]
4. (a)Describe the seven crystal systems with diagrams.
(b) Classify various lattice types in the crystal system. [10+5]
5. (a)What are Miller indices? How are they derived? What are the important feature
of Miller indices?
(b) Derive Bragg's law? Explain the limiting condition for Bragg's law [7+8]
6. (a) Describe the construction and working of Semiconductor laser.
(b) Mention any two applications each of laser in Industry and Scienti c elds.
[12+3]
7. (a)Describe the structures of di erent types of optical bers with ray paths.
(b) What are the conditions to produce total internal re ection in optical ber.
(c) Calculate the numerical aperture for an optical ber with core and cladding
refractive indices being 1.48 and 1.45 respectively. [8+3+4]
8. (a) Explain the basic principle of ultrasonic testing.
(b) What are the advantages and limitations of ultrasonic testing. [5+10]
?????
Code No: R10103/R10 Set No. 4
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) De ne Interference of light. Describe the Young's double slit experiment on the
interference of light and obtain an expression for the bandwidth of the interference
pattern.
(b) In Young's experiment, the screen is placed at a distance of 1 metre from the
slits, the slits are 2 mm apart and are illuminated by the light of wavelength 5890
A.U. Calculate the fringe width. [11+4]
2. (a)Explain how you would use the grating to determine the wave length of light.
(b) What is the highest order of spectrum which may be seen with monochromatic
light of wave length 6000

Aby means of di raction grating with 5000 lines/cm.
[11+4]
3. (a) What is Malus' law? What is Brewster's law? Prove that the angle between
re ected and refracted beams is 90
0
, if the angle of incidence corresponds to Brew-
ster's angle.
(b) The refractive index of calcite for ordinary ray is 1.658 and for extra ordinary
ray is 1.486. The slice having the thickness 0:9x10
4
cm is cut from the crystal.
For what wavelength this slice acts as half wave plate? [11+4]
4. (a) De ne Coordination Number, Nearest Neighbour Distance, Atomic Radius and
Packing Fraction.
(b) Explain the crystal structures of BCC and FCC crystals. Give two examples
for each. [4+11]
5. (a) Discuss Bragg's law of X-ray di raction.
(b) Describe the powder method to determine crystal structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which
Bragg's re ection maximum can be seen. [4+7+4]
6. (a) What is meant by life time of an energy level? What are the life times of ground
state, excited state and metastable state?

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Code No: R10103/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Describe the principle and formation of Newton's rings and explain a method
to determine wavelength of light using Newton's rings setup.
(b) Newton's rings are observed in the re ected light of wavelength 5900

A. The
diameter of 10
th
dark ring is 0.5 cm. Find the radius of curvature of lens used.
[11+4]
2. (a) What is meant by di raction of light? Explain it on the basis of Huygen's wave
theory.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima.
(c) Write notes on Rayleigh's Criterion [4+7+4]
3. (a)What is a quarter wave plate? Deduce its thickness for a given wave length in
terms of its refractive indices.
(b) Find the minimum thickness of half wave and quarter wave plates for a light
beam of wavelength 589.3nm. If 
o
= 1.65833 and 
e
= 1.48640. [11+4]
4. (a)What is a crystal? Why are most solids crystalline in nature?
(b) Explain the structures of NaCl and CsCl? [5+10]
5. (a)State and explain Bragg's law.
(b) Describe with suitable diagram, the powder method of determination of crystal
structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which Bragg's
re ection maximum can be seen. [4+7+4]
6. (a) What are the main components of any laser system? Explain their role in laser
production.
(b) What is the reason for monochromaticity of laser beam?
(c) What are the applications of lasers in medicine? [9+3+3]
7. (a)Describe the construction of an optical ber and give typical dimensions of
various parts.
Code No: R10103/R10 Set No. 1
(b) Write notes on Attenuation losses in optical ber communication.
(c) . Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and cladding 1.563 and 1.498 respectively.
8. (a) What is ultrasonic testing and explain the basic principle?
(b) What are the properties of Ultrasonic Waves?
?????
Code No: R10103/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) De ne Interference of light. Describe the Young's double slit experiment on the
interference of light and obtain an expression for the bandwidth of the interference
pattern.
(b) In Young's experiment, the screen is placed at a distance of 1 metre from the
slits, the slits are 2 mm apart and are illuminated by the light of wavelength 5890
A.U. Calculate the fringe width. [11+4]
2. (a) Di erentiate between interference and di raction intensity patterns. How do
you di erentiate the Fresnel di raction to that of Fraunhofer di raction?
(b) How many orders will be visible, if the wavelength of light is 5000

A. Given
that the number of lines per centimeter on the grating is 6655. [11+4]
3. (a)What do you mean by Polarisation?
(b) Distinguish between Polarised and Unpolarised lights.
(c) What are Quarter and Full wave plates. Drive the expressions for their thick-
ness? [4+5+6]
4. (a)What is a Bravais lattice? List out the di erent types of Bravais lattices which
are possible among the seven di erent crystal systems.
(b) Estimate the percentage of viod space in BCC Crystal.
(c) Metallic Iron changes from BCC to FCC at 910
o
C and correspondingly the
atomic radius varies from 1.258 A
o
to 1.292 A
o
. Calculate the percentage of volume
change during this structural change.
5. (a)Explain Bragg's law of X-ray di raction.
(b) Describe Laue's method for determination of crystal structure.
(c) The Bragg's angle for re ection from the (110) plane in FCC crystal is 19:2
o
for
an X-ray wavelength of 1.54

A. Compute the cube edge of the unit cell. [3+8+4]
6. (a) What is laser? What are the important characteristics of lasers?
(b) Derive the relation between di erent Einstein coecients.
(c) What are the industrial applications of lasers? [5+7+3]
7. (a) What are the conditions to produce total internal re ection in optical ber.
Code No: R10103/R10 Set No. 2
(b) Describe structure of di erent types of Optical bers with ray paths.
(c) Calculate the angle of acceptance of a given optical ber, if the refractive
indices of the core and the cladding are 1.563 and 1.498 respectively. [3+8+4]
8. (a) Discuss various non-destructive testing systems which are commonly adopted
in industries using ultrasonics.
(b) Describe the ultrasonic aw detector with suitable diagram. [10+5]
?????
Code No: R10103/R10 Set No. 3
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Explain Young's double slit experiment.
(b) Derive an expression for wavelength of light in terms of fringe width in inter-
ference pattern due to Young's double slit. [5+10]
2. (a) What are the types of di ractions and give the di erences between them.
(b) Obtain the condition for primary maxima in Fraunhofer di raction due to single
slit and derive an expression for width of the central maxima. [5+10]
3. (a) What is Malus' law? What is Brewster's law? Prove that the angle between
re ected and refracted beams is 90
0
, if the angle of incidence corresponds to Brew-
ster's angle.
(b) The refractive index of calcite for ordinary ray is 1.658 and for extra ordinary
ray is 1.486. The slice having the thickness 0:9x10
4
cm is cut from the crystal.
For what wavelength this slice acts as half wave plate? [11+4]
4. (a)Describe the seven crystal systems with diagrams.
(b) Classify various lattice types in the crystal system. [10+5]
5. (a)What are Miller indices? How are they derived? What are the important feature
of Miller indices?
(b) Derive Bragg's law? Explain the limiting condition for Bragg's law [7+8]
6. (a) Describe the construction and working of Semiconductor laser.
(b) Mention any two applications each of laser in Industry and Scienti c elds.
[12+3]
7. (a)Describe the structures of di erent types of optical bers with ray paths.
(b) What are the conditions to produce total internal re ection in optical ber.
(c) Calculate the numerical aperture for an optical ber with core and cladding
refractive indices being 1.48 and 1.45 respectively. [8+3+4]
8. (a) Explain the basic principle of ultrasonic testing.
(b) What are the advantages and limitations of ultrasonic testing. [5+10]
?????
Code No: R10103/R10 Set No. 4
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING PHYSICS-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Bio-Technology, Automobile Engineering, Mining and
Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) De ne Interference of light. Describe the Young's double slit experiment on the
interference of light and obtain an expression for the bandwidth of the interference
pattern.
(b) In Young's experiment, the screen is placed at a distance of 1 metre from the
slits, the slits are 2 mm apart and are illuminated by the light of wavelength 5890
A.U. Calculate the fringe width. [11+4]
2. (a)Explain how you would use the grating to determine the wave length of light.
(b) What is the highest order of spectrum which may be seen with monochromatic
light of wave length 6000

Aby means of di raction grating with 5000 lines/cm.
[11+4]
3. (a) What is Malus' law? What is Brewster's law? Prove that the angle between
re ected and refracted beams is 90
0
, if the angle of incidence corresponds to Brew-
ster's angle.
(b) The refractive index of calcite for ordinary ray is 1.658 and for extra ordinary
ray is 1.486. The slice having the thickness 0:9x10
4
cm is cut from the crystal.
For what wavelength this slice acts as half wave plate? [11+4]
4. (a) De ne Coordination Number, Nearest Neighbour Distance, Atomic Radius and
Packing Fraction.
(b) Explain the crystal structures of BCC and FCC crystals. Give two examples
for each. [4+11]
5. (a) Discuss Bragg's law of X-ray di raction.
(b) Describe the powder method to determine crystal structure.
(c) Monochromatic X-rays of wavelength 1.5 A.U. are incident on a crystal face
having an interplanar spacing of 1.6 A.U. Find the highest order for which
Bragg's re ection maximum can be seen. [4+7+4]
6. (a) What is meant by life time of an energy level? What are the life times of ground
state, excited state and metastable state?
Code No: R10103/R10 Set No. 4
(b) Derive the relation between di erent Einstein coecients.
(c) Describe the lasing action in lasers. [5+7+3]
7. (a) Explain the terms Acceptance angle and Numerical Aperture.
(b) Derive expressions for Acceptance angle and Numerical Aperture of an Optical
ber.
(c) Calculate the Numerical Aperture for an optical ber with 1.48 and 1.45 as
refractive indices of core and cladding respectively. [3+8+4]
8. (a)Explain di erent types of scans in NDT.
(b) Discuss various nondestructive testing systems which are commonly adopted in
industries using ultrasonics. [7+8]
?????

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This post was last modified on 03 December 2019