Question # 1

The diameter of a bucky ball is about _____________

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o

1 A

1 nm

o

100 A

10 nm

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

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75

20

60

15

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

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35

330

386

3500

Egyptians were using ________ to prepare make up for eyes.

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Nanoaluminium

Nanocopper

Nanosteel

Nanolead

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

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10

100

1000

1/100

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.

In Nano synthesis new unsual chemical reactions are due to.

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Non equilibrium system

Equilibrium system

Isothermal system

Adiabatic process

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

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1

2

3

4

The diameter of fly ash particles is._________ micro meter

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5-10

10-20

20-30

100

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

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

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Lijima Indices

Miller indices

Clausen indices

None

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

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

The full form of STM is

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Scanning Tunneling Microscope

Scientific Technical Microscope

Systematic Technical Microscope

SuperTensile Microscope

When a large block of silicon wafer is reduced to smaller component and hence non material is formed this approach is called.

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Bottom up

Top down

Left to right

Right to left

The size of quantum dot is ________________m

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5

5 x 10^-9

5 x10^-10

5 x10^-11

The ration of thermal conductivity of silver to that of a carbon nanotube is.

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100 : 1

1 :100

10:1

1:10

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

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