K L University 2007 B.Tech applied Physics - Question Paper

time three hrs max marks 60
ans all units

unit 1

1) a. Write the failures of classical theory
b. What is a black body? Derive radiation legal regulations used to discuss the black body radiation specthim.

(or)

2) a. elaborate matter waves? explain the experimental verification of de Broglies concept of matter waves using Davission and germer experiment.
b) discuss the construction and working of a GM counter

Unit 2

3) a. explain the heisenberg's uncertainity principle in detail.
b. Write the applications of Uncertainty principle

(or)

4) a. derive the schrodingers time independent wave formula
b) discuss the basic concepts of MB, BE and FD statistics

unit 3

5) a. elaborate P-type and N- kind materials. discuss the volt and ampere characterstics of a PN junction diode
b) Write the applications of a diode as a voltage stabilizer

(or)

6) discuss the various kinds of magnetic materials and their properties
b) discuss the domain theory of ferromagnetism

Unit 4

7) a. describe population inversion. discuss the construction and working of Ruby Laser.
b. What is a Hologram? explain the construction and reconstruction of Hologram. Write the applications of hologram

(or)

8) a) discuss diffenent kinds of optical fibers
b) Write the applications of Optical fibers

unit 5

9) a. What is a superconductor? explain meissner effect in detail
b. Distinguish type-1 and type-2 superconductors. Write the applications of superconductors

(or)

10) a) Draw the volt- ampere characterstics of photo diode and photo transistor
b) write the applications of Nanotechnology in various fields

Earning:   Approval pending.