Question # 1

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

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

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 suffix '-ene' in the name of fullerene shows the presence of ___ in the molecule.

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One triple bond

One double bond

Two single bonds

Two triple bonds

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

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

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

The width of a typical DNA molecule is _______nm

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1

2

5

10

Which of the following techniques is bulk technique.

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Powder XRD

Single Crystal XRD

SEM

TEM

The diameter of hydrogen atom is.______________nm

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10

1

0.1

0.01

Nanoscience can be studied with the help of

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Quantum mechanics

Newtonain mechanics

Macro dynamics

Grophysics

The diameter of fly ash particles is._________ micro meter

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5-10

10-20

20-30

100

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

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35

330

386

3500

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

Which ratio decides the efficiency nano substance.

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Weight /volume

Surface area/volume

Volume/weight

Pressure/volume

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

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

Nano particles may interact with the support to be.

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Partially oxidized

Partically reduced

Both a and b

None

In confining and growing nano roade CNTs will act as.

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Template

Support

Source of oxidant

Sieve

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.

The full form of STM is

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Scanning Tunneling Microscope

Scientific Technical Microscope

Systematic Technical Microscope

SuperTensile Microscope

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