Sree Narayana Guru College of Engineering and Technology 2005 ENGINEERING PHYSICS (For ME), Second series test - - Question Paper
Wednesday, 06 February 2013 05:50Web
Sree Narayana Guru College of Engineering and Technology, Payyanur
Second series test - April 2005
ENGINEERING PHYSICS
(For ME)
Time: 2Hours Marks: 50
Part A: ans all ques.
1 explain the applications of holography
2 Write a short note on Moire fringes
3 discuss Avalanche breakdown and Zener breakdown
4 For Copper at 1000K, obtain the energy at which the probability P(E) that a conduction electron state will be occupied is 0.90
(4x5=20)
Part B: ans 3 ques.
5 explain the effect of magnetic field on superconductors. Distinguish ranging from typeI and typeII superconductors
OR
6 (a) explain the salient features of BCS theory of superconductivity
(b) Write notes on Josephson tunneling
7 define isoclinics and isochromatics with mathematical analysis
OR
8 Write notes on the subsequent
(a) Recording of a hologram and reconstruction of image
(b) He-Ne laser
9 describe the term fermi level. Draw the energy level diagrams and show the position of fermi level for intrinsic semiconductor, p-type semiconductor and n-type semiconductor
OR
10 discuss the working of a semiconductor laser. Mention its advantages
Earning: Approval pending. |