Question # 1

The solid with definite M.L are called:

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Crystalline

Amorphous

Polymeric

None of above

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

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Silver

Lead

Germanium

Polythene

The dimension of stress is

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[MLT^-1]

[ML^-1T]

[ML^-1T^-1]

[ML^-1T^-2]

The material whose resistivity becomes zero below a certain temperature

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Conductors

Semi conductors

Super conductors

Insulators

Domains are existed in

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Ferromagnetic materials

Paramagnetic materials

Semi conductors

Diamagnetic materials

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

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Solid

Liquid

Solid liquid

Gas

Semiconductors have conductivity of order:

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10^-8 to 10^-6 (Ωm)^-1

10^-6 to 10^-4 (Ωm)^-1

10² to 10⁵ (Ωm)^-1

10^-5 to 10^-7 (Ωm)^-1

Yield stress is another name of

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Plasticity

Proportional limit

Elastic limit

Both (b) and (c)

Out of the following which material is brittle.

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Wrought iron

Copper

Tungsten

High steel carbon

Minority carriers in P-Types , substances are.

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Electrons

Protons

Holes

Neutrons

The critical temperature of Aluminum is.

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3.72 K

1.18 K

7.2 K

8.2 K

Energy band theory is based upon

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Hund's Rule

Heisenberg uncertainty principle

Bohr's atomic Model

Wave mechanical model

At 0 K a piece of silicon is a

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Conductor

Semi-conductor

Insulator

All

Conductors have conductivities of order:

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10³(Ωm)-1

10⁷(Ωm)^-1

10⁷Ωm^-1

10^-6Ω

The solids are classified as

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Polymeric

Amorphous

Crystalline

All of above

Which one of the following is crystalline solid.

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Zirconia

Glassy solid

Natural rubber

Poly strene

Which one is not a ductile material

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Lead

Steel

Copper

Wrought Iron

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

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Amorphous solid

Polymeric solid

Crystalline solid

Glassy solid

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Physics Fsc Part 2 Chapter 6 Online Test MCQs With Answers

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