Question # 1

Which one is not a ductile material

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Lead

Steel

Copper

Wrought Iron

Out of the following which material is brittle.

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Wrought iron

Copper

Tungsten

High steel carbon

The solid with definite M.L are called:

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Crystalline

Amorphous

Polymeric

None of above

Soft magnetic material is

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Sodium

Steel

Iron

Copper

A solid in which there is not regular arrangement of molecules is called.

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Glassy solid

Amorphous solid

Crystalline solid

Both a and b

The material whose resistivity becomes zero below a certain temperature

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Conductors

Semi conductors

Super conductors

Insulators

Recently superconductor discovered is at temperature.

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110K

143K

16.3K

119K

the substances in which the atoms do not form magnetic dipoles are called.

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Diamagnetic

Para magnetic

Ferro magnetic

Crystal

The word amorphous means:

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Regular structured

Without form or structure

Frozen structured

None of above

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

Which one of the following is polymeric solids

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Glass

Nylon

Copper

Zinc

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

Which one pair belongs to acceptor impurity.

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Aresincl, phosphorus

Boron, gallium

Arsenic, antimony

Antimony, indium

Substance which break just after the elastic limit is reached are called as.

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Ductile substances

Hard substances

Britto substances

Soft substances

Glass and high steel carbon are example of.

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Ductile substances

Brittle substances

Soft substances

Hard substances

Curie temperature is a point where :

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Diamagnetism changes to paramagnetism

Paramagnetism changes to Diamagnetism

Ferromagnetism changes to paramagnetism

Paramagnetism changes to Ferromagnetism

There is regular arrangement of molecules in:

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Amorphous solids

Crystalline solids

Both a and b

None of above

Domains are existed in

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Ferromagnetic materials

Paramagnetic materials

Semi conductors

Diamagnetic materials

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

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