DISTANCE EDUCATION
M.Sc. (Physics) DEGREE EXAMINATION, MAY 2017.
MATERIALS SCIENCE
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
Each question carries 20 marks.
20 100)
1. What are the factors that contribute to the onset of
fatigue failure and those which tend to resist
fatigue?
Define creep. Explain its phases and mechanism.

2. Describe the viscoelastic behaviour of a material.

Outline the properties and applications of polymers.

3. Describe the construction and working of a chemical
laser.
Explain the working of CO2 laser in detail.
4. Explain communication and engineering application
of laser.
Explain in detail about the Dye laser. Give its
applications.
Sub. Code
25
DE-658
2
Ws 5
5. Explain the working of an electro-optic modulator
using Kerr effect.
What is meant by non-linear optics? How are second
harmonic waves generated?
6. Explain the principle and working of Penning
Gauge.
Study pressure area characteristics of LB film.
Describe the weight gain method.
7. Describe the production and measurement of high
vacuum.
Explain Quartz crystal method of measuring the
thickness of thin films in detail.
8. Write a note on solid state battery.
Give the design and construction details of
electrochromic display systems.