Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) B-Tech 2020 R19 ME 1103 Engineering Physics Model Previous Question Paper
[B19 BS 1103]
I B. Tech I Semester (R19) Regular Examinations
ENGINEERING PHYSICS
(Common to CE & ME)
MODEL QUESTION PAPER
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
*****
CO KL M
UNIT - I
1. a). What is a Bravais Lattice and explain the Bravais lattice in different Crystal
systems.
1 2 9
b). Deduce the Bragg?s Law. 1 3 6
OR
2. a). How the nano materials can be produced by sol ? gel method. 1 2 7
b). Write abt Carbon Nanotubes 1 2 4
C). Discuss some important applications of nanomaterials. 1 1 4
UNIT - II
3. a). Define Reverberation and obtain the Sabine?s formula. 4 3 9
b). Explain the requirements of an acstics calling good hall 4 2 6
OR
4. a). Explaining Magnetostriction effect, describe how the ultrasonics can be
produced.
6 3 9
b). Mention the application of ultrasonics. 6 1 6
UNIT - III
5. a). Distinguish between elastict and plasticts 3 1 4
b). State and explain the Hooke?s law 3 2 5
C). Discuss the bending moment of a beans 3 2 6
OR
6. a). Explain the stress ? strain curve of an isotropic material 3 2 7
b). What are the different types of moduli of solids and obtain their relations 3 2 8
UNIT - IV
7. a). Define polarization and explain the different types of polarization possible
in a dielectric
5 2 7
b). Deduce the Claussius Mosotti & equation and its significance in dielectrics. 5 3 8
OR
8. a). Define Magnetic susceptibility and give a classification of magnetic
materials.
5 1 5
b). Describe the Hysteresis exhibited by Ferromagnetic materials and explain
its using a Suitable theory
5 3 10
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7
[B19 BS 1103]
I B. Tech I Semester (R19) Regular Examinations
ENGINEERING PHYSICS
(Common to CE & ME)
MODEL QUESTION PAPER
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
*****
CO KL M
UNIT - I
1. a). What is a Bravais Lattice and explain the Bravais lattice in different Crystal
systems.
1 2 9
b). Deduce the Bragg?s Law. 1 3 6
OR
2. a). How the nano materials can be produced by sol ? gel method. 1 2 7
b). Write abt Carbon Nanotubes 1 2 4
C). Discuss some important applications of nanomaterials. 1 1 4
UNIT - II
3. a). Define Reverberation and obtain the Sabine?s formula. 4 3 9
b). Explain the requirements of an acstics calling good hall 4 2 6
OR
4. a). Explaining Magnetostriction effect, describe how the ultrasonics can be
produced.
6 3 9
b). Mention the application of ultrasonics. 6 1 6
UNIT - III
5. a). Distinguish between elastict and plasticts 3 1 4
b). State and explain the Hooke?s law 3 2 5
C). Discuss the bending moment of a beans 3 2 6
OR
6. a). Explain the stress ? strain curve of an isotropic material 3 2 7
b). What are the different types of moduli of solids and obtain their relations 3 2 8
UNIT - IV
7. a). Define polarization and explain the different types of polarization possible
in a dielectric
5 2 7
b). Deduce the Claussius Mosotti & equation and its significance in dielectrics. 5 3 8
OR
8. a). Define Magnetic susceptibility and give a classification of magnetic
materials.
5 1 5
b). Describe the Hysteresis exhibited by Ferromagnetic materials and explain
its using a Suitable theory
5 3 10
8
UNIT - V
9. a). Give the selection procedure of the active medium of laser device. 6 2 7
b). With suitable diagrams, discuss the working principle, design and working
of He ? Ne laser system
6 2 8
OR
10. a). What is the significance of Numerical Aperture of an optical fiber and
obtain an expression for it.
6 2 8
b). Discuss the sensor applications of optical fiber. 6 2 7
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This post was last modified on 28 April 2020