Question # 1

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

Those materials whose resistivity becomes zero at certain temperature is called:

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Semiconductor

Super conductor

Conductor

Insulator

Which one is not a ductile material

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Lead

Steel

Copper

Wrought Iron

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

The most suitable metal for making permanent magnet is.

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Iron

Aluminium

Steel

Copper

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

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

Donor impurities are

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Germanium, silicon

Indium, galium

Antimony, arsenic

Diamond, carbon

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

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