Question # 1

The size of quantum dot is ________________m

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5

5 x 10^-9

5 x10^-10

5 x10^-11

Which ratio decides the efficiency nano substance.

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Weight /volume

Surface area/volume

Volume/weight

Pressure/volume

The size of E coli bacteria is._____________ nm

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75000

2000

200

5

"There is a plenty of room at the bottom" This was stated by

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Issac Newton

Albert Einstein

Richard Feynman

Eric Drexler

Nano particles may interact with the support to be.

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Partially oxidized

Partically reduced

Both a and b

None

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

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1

2

3

4

1 nanometre =___________ cm

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10^-9

10^-8

10^-7

10^-6

Which of the following does not apply to nanotechnology.

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It is a general purpose technology

It can be called Green technology

Newtonian mechanics can describe it.

It involves rearrangement of atoms

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 particles of about 1 nm need _______ activation energy to enter either aggregation processes or reactions to give to new chemicals.

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Higher

Lesser

N o

All above

Egyptians were using ________ to prepare make up for eyes.

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Nanoaluminium

Nanocopper

Nanosteel

Nanolead

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

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75

20

60

15

Nano technology in other words is.

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Carbon engineering

Atomic engineering

Small technology

Microphysics

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

The diameter of hydrogen atom is.______________nm

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10

1

0.1

0.01

In confining and growing nano roade CNTs will act as.

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Template

Support

Source of oxidant

Sieve

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 a bucky ball is about _____________

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o

1 A

1 nm

o

100 A

10 nm

Nanoscience can be studied with the help of

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Quantum mechanics

Newtonain mechanics

Macro dynamics

Grophysics

The most important problem regarding nano chemistry

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Elucidation of relationship between also and chemical reactivity of particle

Determination of size of particle

Determination of reactivity of particle

Determination of physical properties of nano particles.

Who coined the word nanotechnology.

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Eric Drexler

Richard Feynamann

Sumio tijma

Richard smalley

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