Question # 1

Yield stress is another name of

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Plasticity

Proportional limit

Elastic limit

Both (b) and (c)

There is regular arrangement of molecules in:

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Amorphous solids

Crystalline solids

Both a and b

None of above

Insulators have:

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An empty conduction band

Al full valence band

A large energy gap

All of above

Which one pair belongs to acceptor impurity.

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Aresincl, phosphorus

Boron, gallium

Arsenic, antimony

Antimony, indium

The material whose resistivity becomes zero below a certain temperature

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Conductors

Semi conductors

Super conductors

Insulators

Young's modulus for water's is

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Zero

1

2

3

Recentaly a complex crystalline structure known as yttrium barium copper oxide (Yba₂Cu₃O₃) have reported to become super conductor at

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163 K

169 K

200 K

100 K

Recently superconductor discovered is at temperature.

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110K

143K

16.3K

119K

After curie temperature.

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Ferromagnetic

Paramagnetic

Magnetic

Diamagnetic

To get N-Type the Ge is doped with

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Aluminium

Arsenic

Boron

Indium

The SI unit of Stress is:

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Nm

Nm²

NM^-2

Nm³

Example of ductile substance is.

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Glass

Wood

Lead

Oxygen

The ability of a body to return to its original shape is called.

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Strain

Stress

Elasticity

Plasticity

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

Shear modulus is expressed as:

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G = tanθ/F/A

F/A/tanθ

F/tanθ

tanθ/A

The critical temperature of Aluminum is.

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3.72 K

1.18 K

7.2 K

8.2 K

Which one is pentavalent impurity

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Boron

Gallium

Antimony

Indium

Domains are existed in

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Ferromagnetic materials

Paramagnetic materials

Semi conductors

Diamagnetic materials

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Ics Part 2 Physics Chapter 6 Test Online MCQs With Answers

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