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# 2014 B.Tech Computer Science and Engineering CS103 - Engineering Physics - June 2014 - Question Paper - CSE - B.Tech - Acharya Nagarjuna University Question paper

 Course: B.Tech Computer Science and Engineering University/board: Acharya Nagarjuna University

If you are looking for old question papers of CS103 - Engineering Physics, you are in the right spot. This is the June 2014 question paper of CS103 - Engineering Physics conducted to first year engineering students by Acharya Nagarjuna University. Do not hesitate to save a copy of this question paper and use it in the preparation for your upcoming exams.

[Total No. of Questions : 09]

CS/IT 103 (CR)

I/IV B.Tech Degree Examinations, June 2014

First Year

CS/IT

Engineering Physics

Time : 3 hours

Maximum Marks : 70

Answer ONE question from each Unit

1. Answer the following [14 x 1 = 14M]
a) Write two applications of ultrasonics?
b) What are coherent sources? Explain.
c) What is spontaneous emission?
d) What is the principle involved in optical fiber?
e) What is Fermi energy level?
f) What is meta-stable state?
g) What is Holography?
h) What is Bloch theorem?
i) Define electric polarization?
j) Define Bohr magneton?
k) Define critical current in super conductors.
l) What are Ferrites?
m) What is photo diode?
n) Write two applications of nano materials.

UNIT - I [1 x 14 = 14M]

2. a) Explain the detection of ultrasonics and write down the various applications of ultrasonics. (10M)
2. b) Explain stokes law. (4M) (OR)
3. a) What is lasing action? Explain the construction and working of He-Ne laser. (8M)
3. b) Explain the various types of optical fibers. (6M)

UNIT - II [1 x 14 = 14M]

4. a) Define Gauss law in electricity. Deduce coulomb's law from Gauss law. (6M)
4. b) Write the failures of classical free electron theory. Define Fermi energy. (8M) (OR)
5. a) Explain the terms Displacement current and Lenz law. (6M)
5. b) Write down differential and integral forms of Maxwell equations. (8M)

UNIT - III [1 x 14 = 14M]

6. a) What is wave function. Show that energies of a particle in a potential box are quantized? (9M)
6. b) Explain the concept of effective mass of electron. (5M) (OR)
7. a) What is polarization in Dielectrics. Deduce the expression for internal fields in dielectrics. (8M)
7. b) Explain soft and hard magnetic materials. (6M)

UNIT - IV [1 x 14 = 14M]

8. a) Explain the critical parameters in super conductivity. (7M)
8. b) Explain Meissonier effect. (7M) (OR)
9. a) What is super conductivity? Explain BCS theory of super conductivity? (8M)
9. b) What is Nano Technology explain the applications of nano materials. (6M)

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