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(Common to IT, ECE, EIE & ME)
Time: 3 hours Max. Marks: 70
(Compulsory Question)
*****
1 Answer the following: (10 X 02 = 20 Marks)
(b) State the working principle of an optical fiber.
(c) What is space lattice?
(d) State Bragg?s diffraction condition.
(e) Define matter waves.
(g) Distinguish intrinsic Vs extrinsic semiconductors.
(h) What is Bohr magnetron?
(i) What is Meissner effect?
(j) Write any four applications of nanomaterials.
PART ? B
(Answer all five units, 5 X 10 = 50 Marks)
UNIT ? I
2 Explain the theory and experiment of Newton?s rings.
OR
3 Explain the spontaneous and stimulated emission of radiation and Einstein coefficient.
4 Classify and explain the seven crystal systems.
OR
5 What are ultrasonics? What are its properties? Also explain few applications of ultrasonics in non-
UNIT ? III
6 Derive the Schrodinger time dependent wave equation. Discuss the significance of wave function.
7 Deduce the energy of a particle in a one dimensional infinite potential well.
UNIT ? IV
OR
9 Discuss the hysteresis curve of various magnetic materials. Justify the nature of curves.
UNIT ? V
10 Explain the BCS theory and its associated phenomena.
OR
11 Classify and explain the top-down synthesis methods.
R15
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(Common to IT, ECE, EIE & ME)
Time: 3 hours Max. Marks: 70
--- Content provided by FirstRanker.com ---
PART ? A(Compulsory Question)
*****
1 Answer the following: (10 X 02 = 20 Marks)
--- Content provided by FirstRanker.com ---
(a) Define interference of a light.(b) State the working principle of an optical fiber.
(c) What is space lattice?
(d) State Bragg?s diffraction condition.
(e) Define matter waves.
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(f) Write any two drawbacks of classical free electron theory.(g) Distinguish intrinsic Vs extrinsic semiconductors.
(h) What is Bohr magnetron?
(i) What is Meissner effect?
(j) Write any four applications of nanomaterials.
--- Content provided by FirstRanker.com ---
PART ? B
(Answer all five units, 5 X 10 = 50 Marks)
UNIT ? I
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2 Explain the theory and experiment of Newton?s rings.
OR
3 Explain the spontaneous and stimulated emission of radiation and Einstein coefficient.
--- Content provided by FirstRanker.com ---
UNIT ? II4 Classify and explain the seven crystal systems.
OR
5 What are ultrasonics? What are its properties? Also explain few applications of ultrasonics in non-
--- Content provided by FirstRanker.com ---
destructive testing.UNIT ? III
6 Derive the Schrodinger time dependent wave equation. Discuss the significance of wave function.
--- Content provided by FirstRanker.com ---
OR7 Deduce the energy of a particle in a one dimensional infinite potential well.
UNIT ? IV
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8 Explain the theory, experimental setup and applications of Hall measurements.OR
9 Discuss the hysteresis curve of various magnetic materials. Justify the nature of curves.
UNIT ? V
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10 Explain the BCS theory and its associated phenomena.
OR
11 Classify and explain the top-down synthesis methods.
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*****R15
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