ANDHRA UNIVERSITY
B.Sc. DEGREE EXAMINATION
(Examination at the end of Semester - VI)
PHYSICS
Material Science
Time : 3 Hours] [Max : 75 Marks
Section - A (5x5=25 Marks)
Answer any Five from the following Eight questions.
1. How alloys are formed explain ?
2. Explain what is dispersion bond.
3. Discuss about volume defects.
4. Deformation of metals.
5. Discuss about the causes of factures in metals.
6. Misaligning.
7. Applications of dielectric materials.
8. Weiss's theory.
Section-B (5x 10 = 50 Marks)
Answer All of the following questions.
9. (a) What is a semiconductor ? Explain various types of semiconductor and their properties.
Or
(b) Explain the preparation of ceramics.
10. (a) Discuss various types of defects arise in materials.
Or
(b) Explain the process of quenching and annealing in metals.
11. (a) Discuss factors affecting mechanical properties of a material.
Or
(b) Explain the process of metal forming.
12. (a) Explain the classical langevin theory of dia magnetism.
Or
(b) Explain about B-H curve and its importance.
13. (a) Derive the Clausius-Mosotti equation.
Or
(b) Explain the coercivity and remanent polarization by E Vs P diagram in dielectrics.
