Question # 1

Which of the modulus of elasticity is involved in compressing a rod to decrease its length ?

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Young's modulus

Bulk modulus

Modulus of elasticity

None of these

There are different crystal systems. The number of these crystal system is.

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3

4

5

7

Which one of the following is crystalline solid.

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Zirconia

Glassy solid

Natural rubber

Poly strene

Glass and high steel carbon are example of.

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Ductile substances

Brittle substances

Soft substances

Hard substances

Which of the following has bulk modulus?

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Water

Gas

Honey

All

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

The unit of strain is:

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Nm

Nm^-2

no unit

Nm²

The critical temperature of Aluminum is.

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3.72 K

1.18 K

7.2 K

8.2 K

Shear modulus is expressed as:

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G = tanθ/F/A

F/A/tanθ

F/tanθ

tanθ/A

Domains are existed in

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Ferromagnetic materials

Paramagnetic materials

Semi conductors

Diamagnetic materials

Energy band theory is based upon

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Hund's Rule

Heisenberg uncertainty principle

Bohr's atomic Model

Wave mechanical model

To get N-Type the Ge is doped with

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Aluminium

Arsenic

Boron

Indium

Which one is not a ductile material

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Lead

Steel

Copper

Wrought Iron

Natural rubber is an example of:

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Crystalline solids

Amorphous solids

Polymeric solids

None of above

Which one of the following is ductile substance.

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Copper

Lead

Wrought iron

All of them

Recently superconductor discovered is at temperature.

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110K

143K

16.3K

119K

Minority carriers in P-Types , substances are.

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Electrons

Protons

Holes

Neutrons

The domain theory of magnet is important to explain the behaviour of

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Diamagnets

Paramagnets

Ferromagnets

All of these

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

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