M.Sc. DEGREE EXAMINATION, NOVEMBER 2017.
First Semester
Nano Science and Nanotechnology
BASICS OF MATERIAL SCIENCE
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. State Bragg's law?
2. What is meant by miller indices?
3. How do you distinguish metals and alloys?
4. What is meant by magnons?
5. What is meant by intrinsic semiconduction?
6. What is meant by dead polymer?
7. What is meant by plastic deformation?
8. State point defects.
9. Write the advantages of molecular sieves.
10. What is the use of smart sunglasses?
Sub. Code
533102
RW-882
2
Ws9
Part B x 5 25)
Answer all questions, choosing either or
11. Explain crystal structure and crystal symmetry
with suitable example.
Or
Write short notes on Schottky defects.
12. Discuss in detail about bonding in solids?
Or
Write short notes on dielectric response and its
connection to transport properties.
13. Explain in detail about semiconductor types and
devices.
Or
Write a note on electronic properties of metals and
non-metals.
14. Explain defects and dislocations found in solid
structures.
Or
Discuss about the defects in microscopic and
nanocrystals.
15. Explain in detail about transparent conducting
oxides with suitable example.
Or
Write short notes on nanomembranes.
RW-882
3
Ws9
Part C 10 30)
Answer any three questions.
16. Explain in detail about structural determination by X-ray
diffraction.
17. Give a detailed account on amorphous, single and
polycrystalline structures and their effects.
18. Explain in detail about the polymeric
materials-classification and properties.
19. Explain in detail about Hall Petch behavior.
20. Give an elaborate study about the role and use of
Zeolites.
————————