Question # 1

In Nano synthesis new unsual chemical reactions are due to.

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Non equilibrium system

Equilibrium system

Isothermal system

Adiabatic process

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

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

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

Egyptians were using ________ to prepare make up for eyes.

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Nanoaluminium

Nanocopper

Nanosteel

Nanolead

The full form of STM is

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Scanning Tunneling Microscope

Scientific Technical Microscope

Systematic Technical Microscope

SuperTensile Microscope

What exactly is quantum dot

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A semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes or excitation in all three spatial directions

The sharpest possible tip of an atomic force microscope

A fictional term used in science fiction for the endpoints of wormholes

Unexplained spots that appear electron microscopy images of nanostructures smaller than 1 nanometer

The size of E coli bacteria is._____________ nm

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75000

2000

200

5

Fullerene or bucky ball is made up of ________ carbon atoms.

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100

20

75

60

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

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1

2

3

4

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

In radial direction the thermal conductivity of a nano tube is ______ watt/(m.k)

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3500

385

0

350

20 micron =____________________ nm

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20 x10^-9

20000

200

20x10⁹

When fullerencs were discovered they were thought to be

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First example of spherical aromatic molecule

First example of spherical non aromatic molecule

First example of diamond lime molecule

None of the above

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

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

A diameter of human hair is approximately ________________ m

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75000

75

7.5 x 10^-5

7.5 x 10^-9

Who prepared and explained nano tubes for the first time.

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Sumio Tijima

Richard Smaley

Erick Drexler

Richard Feynamann

The diameter of fly ash particles is._________ micro meter

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5-10

10-20

20-30

100

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

The width of a typical DNA molecule is _______nm

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1

2

5

10

The electrical conductivity of a nano tube is __________ times that of copper.

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10

100

1000

1/100

1 meter = ___________ nm

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10⁹

10^-9

10¹⁰

10^-10

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 compressive strength of a nanotube ______ its tensile strength.

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I less than

Is greater than

Is equal to

Less than or equal to.

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