M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Second Semester
Physics
Elective — NANO SCIENCE
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Give Moore's First and second law?
2. List any four day to day live commercial applications of
nanotechnology.
3. Classify nanomaterials and give examples for them?
4. What are the advantages and disadvantages in
mechanical synthesis of nanopowders?
5. What are the principal properties of C60?
6. What is self-assembly?
7. List any four properties of light?
8. What are photonic crystals? Give example for it.
9. Write shortly about quantum electronic devices.
10. Define MEMS.
Sub. Code
4MPH2E1
AFF-4866
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Part B 5 25)
Answer all questions by choosing either or
11. nanometer is a magical point on the dimension
why? Explain?
Or
How nanoscale dimension affect the structural and
mechanical properties of materials?
12. Explain SOL-GEL synthesis for producing
nanomaterials? Explain with the help of neat
sketch.
Or
Write short notes on ''natural nano particles''.
13. Explain the purification process of Carbon
nanotube.
Or
Write short notes on ''Future of biological nano
technology''.
14. What are nano holes? Explain briefly.
Or
Write about the interaction of light with nano
systems.
15. What is nanoclectronics? Narrate the birth of nano
electronics.
Or
Explain the working of magnetic mems with a neat
sketch.
AFF-4866
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WS6
Part C x 10 30)
Answer any three questions.
16. Explain the role of bottom up and top down approaches in
nanotechnology.
17. Narrate the metal organic chemical vapour
deposition technique for the preparation of
nanomaterials with neat diagram.
What are the characteristics of nanoparticles that
should posses by any fabrication technique.
18. Discuss the production of carbon nanotubes.
List the applictions of carbon nanotubes in various
fields.
19. Explain the imaging technique for nanomatrial
characterization.
Write a short note on low cost energy efficient
windows''.
20. Discuss the following
Quantum information an quantum computer.
Experimental implementation of Quantum
computer.
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