Question # 1

How many oxygen atoms lined up in a now would fit in a one nanometer speace.

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None an oxygen atoms is bigger than 1 nm

One

Seven

None 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

In a bucky ball each carbon atom in bound in __________ adjacent carbon atoms.

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1

2

3

4

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.

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

Formation of nano particles involves process lime

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Foramtion of metal nuclei on different sizes.

Interaction among the formed particles

Both A and B

No interaction among the nano particles synthesized

1 nanometre =___________ cm

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10^-9

10^-8

10^-7

10^-6

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

Which of the following techniques is bulk technique.

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Powder XRD

Single Crystal XRD

SEM

TEM

The tensile strength of a carbon nanotube is __________ times that of steel.

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10

25

100

1000

Greeks and Romans had used nanoparticles in the manufacture of.

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Cosmetics for eyes

Medicines

Metals

Hair -dye

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

Chemical and physical properties of metal nano particles of atoms were observed to change periodically depending upon

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Number of atoms in a particle

Shape of particle

type of organization

All of the above

Who was the first scientist to describe that substance having Nano dimensions possess altogether different and unique properties.

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Richard Feynamann

Erick Drexler

Archimedes

Michael Faraday

A considerable number of atoms pertaining to the surface_____ with the decreasing the particle size.

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Increase

Decrease

No effect

Both a and b

The size of quantum dot is ________________m

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5

5 x 10^-9

5 x10^-10

5 x10^-11

Stablization of particles and their reactivity is affected by.

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Surface properties

Bulk properties

Regardless to the surface properties

No of particles

The width of a typical DNA molecule is _______nm

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1

2

5

10

Which of the microscope techniques is similar to the Atomic Force Microscopy (AFM)

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Scanning Electron Microscopy

Scanning Tunneling Microscopy

Transmission Electron Microscopy

None of the above

Egyptians were using ________ to prepare make up for eyes.

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Nanoaluminium

Nanocopper

Nanosteel

Nanolead

The orientation of a crystalline surface is confidently defined in terms of.

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Lijima Indices

Miller indices

Clausen indices

None

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