M.Sc. (Semester (CBCS) Examination Oct/Nov-2017
Nano-Technology
NANO-MATERIALS FABRICATON
Day Date: Tuesday, 21-11-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
Instructions: Q. and are compulsory.
Answer any three questions from Q.3 to Q.7.
All questions carry equal marks.
Q.1 Rewrite the sentence after choosing correct answer from the given
alternatives:
07
CVD means
Chemical vapor deposition Compound vapor deposition
Chemical Deposition Compound deposition
In sputtering method the particles are from solid target
materials.
Ejected Deposited
Neutralized Attached
The used in mechanical ball milling.
Filler ball Plastic ball
Tungsten ball Composite
Arch discharge technique is a method.
Physical Chemical
Biological Physio-chemical
Laser ablation is the process of material from a solid.
Adding Depositing
Removing Placing
Hot wire CVD consists of
Liquid Filament
Solid Mixture of Solid liquid
are used to synthesize nanoparticles by biogenic method.
Metal Virus
Fungi Flux
Q.1 Definitions: 07
2D Nano structure
Heavy metals
CVD
Nanoparticles
Sputtering
Intracellular
Bacteria
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SLR-MU-707
Q.2 Attempt following
Explain arc discharge technique. 05
Explain atomic layer epitaxy. 05
Write a note on nucleation and growth of nanomaterials 04
Q.3 Write a note on physio-chemical methods of nanomaterials synthesis. 08
Explain mechanical milling. 06
Q.4 Describe synthesis of nanoparticles by sol gel method with one suitable
example.
08
Explain self assembly technique 06
Q.5 Explain synthesis of nanomaterials by spray pyrolysis method. 08
Write a note on the phase transformation 06
Q.6 Describe the gas phase synthesis of nanopowders. 08
Write a note on synthesis of nanomaterials by algae. 06
Q.7 Describe the intercellular synthesis of nanomaterials. 08
Write a note on Properties of living organism. 06