M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Energy Science
PHYSICS FOR ENERGY SCIENCES
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. Define work.
2. What are the conditions that should be satisfied for work
to be done?
3. What is the absolute temperature scale?
4. Define specific and latent heat.
5. What is heat engine?
6. Define emf.
7. What is the role of fuse wire?
8. Difference between nuclear fusion and nuclear fission.
9. What are the applications of radio isotopes?
10. What is artificial transmutation?
Sub. Code
540102
RW-892
2
Wk 4
Part B x 5 25)
Answer all questions choosing either or
11. Explain the workdone by a variable force.
Or
Illustrate the relationship between conservative
forces and potential energy.
12. State and explain the first law of thermodynamics.
Or
Derive ideal gas equation.
13. Derive an expression for resistors in parallel.
Or
What is a rectifier? Explain bridge rectifier.
14. Write a short note on superconductivity.
Or
Explain forward biased PN junction diode.
15. What are the properties of nuclear forces?
Or
Explain alpha and beta decay.
RW-892
3
Wk 4
Part C 10 30)
Answer any three questions.
All questions carry equal marks.
16. Derive work energy theorem.
17. Describe the efficiency of carnot engine.
18. Derive an expression for RLC circuit in series.
19. Explain radioactive law of disintegration.
20. Discuss the energy and spectra of molecules bonding in
solids in detail.
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