M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Nano Science and Nanotechnology
INTRODUCTION TO NANO SCIENCE
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Order the following items in order of their size, from
smallest to largest width of a water molecule
diameter of a gold atom diameter of a carbon
nanotube diameter of a virus length of an amoeba.
2. State Quantum effect.
3. Write the fundamentals for nucleation growth.
4. State effects of nanoparticle morphology.
5. Distinguish CNT and Fullerenes.
6. Write mechanical properties of nanomaterials.
7. State grain boundary.
8. Which forces are involved in solvation and hydration?
9. Write a note on silver nanoparticles and its applications.
10. Write short note on the applications of carbon nanotubes.
Sub. Code
533104
RW-884
2
ws 4
Part B x 5 25)
Answer all questions choosing either or
11. Explain in detail about top-down and bottom-up
approach for synthesizing of nanomaterials.
Or
Explain about the types of nanotechnology and
nanomachines.
12. Write short notes on homogeneous nucleation.
Or
Explain in detail about post condensation effects.
13. Distinguish bulk and microscopic solids in detail.
Or
Write short notes on biological nanomaterials.
14. Write short notes about biological membranes.
Or
Write briefly about thermodynamics of self
assembly.
15. Explain chemical vapor deposition method in detail.
Or
How do you prepare zinc oxide nanosamples via sol
gel method?
RW-884
3
ws 4
Part C x 10 30)
Answer any three questions.
16. Explain in detail about the electronic phenomenon of
Nanostructures.
17. Discuss in detail about the stability of colloidal
dispersions.
18. Explain in detail about zero and two dimensional
nanomaterials.
19. Explain in detail about various forces involved in
nanomaterials.
20. Explain in detail how TEM characterization is more
advantage over AFM characterization.
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