Question # 1

In glass, molecules are irregularly arranged so it is known as.

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Solid

Liquid

Solid liquid

Gas

A cable breaks if stretched by more than 2mm. It is cut into two equal parts. How much either part can be stretched without breaking?

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25 m

1mm

2mm

0.5 m

Which of the following has bulk modulus?

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Water

Gas

Honey

All

The temperature at which, semiconductor behaves as insulators:

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10k

0k

237k

None of above

Which one is not a crystalline solid.

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Zinc

Copper

Nylon

None of these

A semiconductor in its extremely pure form is known as:

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Intrinsic

Extrinsic

Both a and b

None of above

The material whose resistivity becomes zero below a certain temperature

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Conductors

Semi conductors

Super conductors

Insulators

Natural rubber is an example of:

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Crystalline solids

Amorphous solids

Polymeric solids

None of above

Very weak magnetic field produced by brain can be detected by

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MRI

CAT scans

Squid

CRO

A pentaralent impurity in Si

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a free electron and a free hole

a free hole

a free electron

No free particle

The critical temperature of Aluminum is.

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3.72 K

1.18 K

7.2 K

8.2 K

A solid having regular arrangement of molecules throughout its structure is called.

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Amorphous solid

Polymeric solid

Crystalline solid

Glassy solid

Which of the following has least hysteresis loop area.

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Steel

Wrought Iron

Soft Iron

Cobalt

Which one of the following is ductile substance.

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Copper

Lead

Wrought iron

All of them

Shear modulus is expressed as:

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G = tanθ/F/A

F/A/tanθ

F/tanθ

tanθ/A

A material which is insulator at 0 K and conduct at room temperature is.

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Silver

Lead

Germanium

Polythene

Young's modulus for water's is

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Zero

1

2

3

The SI unit of stress is same as that of.

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Pressure

Force

Momentum

Work

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Physics FSC Part 2 Chapter 17 Online MCQ's Test MCQs With Answers

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