Question # 1

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

Nano particles may interact with the support to be.

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Partially oxidized

Partically reduced

Both a and b

None

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

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

"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

The size of nanoparticles is between __________ nm

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100 to 1000

1 to 100

0.1 to 10

0.01 to 1

Length of semiconductor nanorods are in the range of.

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1.50 nm

1-50 micro meter

100-500 nm

50-100 nm

Greeks and Romans had used nanoparticles in the manufacture of.

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Cosmetics for eyes

Medicines

Metals

Hair -dye

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

Who coined the word nanotechnology.

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Eric Drexler

Richard Feynamann

Sumio tijma

Richard smalley

Egyptians were using ________ to prepare make up for eyes.

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Nanoaluminium

Nanocopper

Nanosteel

Nanolead

Who prepared and explained nano tubes for the first time.

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Sumio Tijima

Richard Smaley

Erick Drexler

Richard Feynamann

Nanoscience can be studied with the help of

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Quantum mechanics

Newtonain mechanics

Macro dynamics

Grophysics

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

In confining and growing nano roade CNTs will act as.

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Template

Support

Source of oxidant

Sieve

The width of a typical DNA molecule is _______nm

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1

2

5

10

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 full form of STM is

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Scanning Tunneling Microscope

Scientific Technical Microscope

Systematic Technical Microscope

SuperTensile Microscope

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

The size of E coli bacteria is._____________ nm

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75000

2000

200

5

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