Question # 1

The prefiex 'nano' comes from a

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French word meaning billion

Greek word meaning dwarf

Latin word meaning invisible

Spanish word meaning particle

Who coined the word nanotechnology.

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Eric Drexler

Richard Feynamann

Sumio tijma

Richard smalley

Which idea of envisioned the construction of nano robots

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Building nano materials atom by atom

Destruction of macromolecules to nano ones

Bothe of the above

None of the above

20 micron =____________________ nm

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20 x10^-9

20000

200

20x10⁹

The ration of thermal conductivity of silver to that of a carbon nanotube is.

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100 : 1

1 :100

10:1

1:10

What is graphene.

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A new material made from carbon nanotubes

A one atom thick sheet of carbon

This film made from fullerene

A software tool to measure and graphically respresent nanoparticles.

What does 'F' stand for in AFM.

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Fine

Front

Force

Flux

The physical methods of nano roads syntheses involves.

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Top down approach

Bottom up approach

Left right approach

Right left approach

The thermal conductivity of an SWNT along length is _____ watt/(m.k)

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35

330

386

3500

The smallest cluster of carbon atoms in Bucky balls known till today consists of ___________ carbon atoms.

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75

20

60

15

__________ are the extensions of bucky balls.

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Goodesic domes

Hexagons

Carbon nanotubes

AFM and STM

Which of the following is class of nanorods

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metals

alloys

Metal oxide and Metal sulphite

All of the above

Opticla tweezers

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Are used to remove facial hair with miniaturized laser beams

use light to manipulate particles as small as single atom

Are a nanotechnology bases tool for stamp collectors

Don't exist

The capacity of normal human eye to see the smallest object is _______ micro meter

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10000

1000

100

10

The diameter of fly ash particles is._________ micro meter

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5-10

10-20

20-30

100

Egyptians were using ________ to prepare make up for eyes.

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Nanoaluminium

Nanocopper

Nanosteel

Nanolead

The width of a carbon nano tube is.________ nm

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1

1.3

2.5

10

The size of quantum dot is ________________m

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5

5 x 10^-9

5 x10^-10

5 x10^-11

Which of these historical works of art contain nanotechnology.

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Lycurgus cup

Medieval stained glass windows in churches

Damascus steel swords

All of the above

Attention should be focused on qualitative changes in particle properties as a function of.

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Particle numebrs

Particle mass

Particle size

Particle density

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