M.Sc. DEGREE EXAMINATION,
APRIL 2017
Second Semester
Nano Science and Technology
SYNTHESIS OF NANOMATERIALS
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Write about laser ablation.
2. What is electron beam evaporation?
3. Define solvothermal synthesis.
4. Write any two point about electrochemical synthesis.
5. Define nanospring.
6. Define nanoring.
7. Define annealing.
8. Define grinding and high energy ball milling.
9. Define phytosynthesis.
10. Define Biomineralization.
Sub. Code
533201
RW-202
2
Wk 3
Part B x 5 25)
Answer all questions.
11. Write bout Electron beam evaporation.
Or
Explain about the RF/DC Magnetron sputtering.
12. Explain about Electrochemical synthesis.
Or
Write about sol gel technique.
13. Write brief notes on principle of 3d nanostructure.
Or
Explain about quantum dots.
14. Give an account on balls types.
Or
What are the limitations in getting required grain
size for low melting point materials?
15. Differentiate between the phytosynthesis and
phycosynthesis.
Or
Enumerate about biomineralization.
Part C x 10 30)
Answer any three questions.
16. Write elaborately about ultra high vacuum techniques.
17. Write in detail about solvothermal synthesis.
RW-202
3
Wk 3
18. Explain in detail about inorganic nanotube and nanorods.
19. Explain in detail about WC and ZrO2.
20. Given account on biological production of nanoparticles.
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