Question # 1

The SI unit of stress is same as that of.

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Pressure

Force

Momentum

Work

Which of the following has bulk modulus?

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Water

Gas

Honey

All

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

Which one is pentavalent impurity

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Boron

Gallium

Antimony

Indium

The conductors having the conductivity of the order of

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

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Semiconductor

Super conductor

Conductor

Insulator

Very weak magnetic field produced by brain can be detected by

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MRI

CAT scans

Squid

CRO

Out of the following which material is brittle.

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Wrought iron

Copper

Tungsten

High steel carbon

The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called.

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Ferromagnetic

Paramagnetic

Diamagnetic

Non magnetic

The ratio of applies stress to volumetric strain is called:

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Young modulus

Shear modulus

Bulk modulus

Tensile modulus

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

Coercive force is used to

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Demagnetize the material

Magnetize the material

Extend it

None of these

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

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Diamagnets

Paramagnets

Ferromagnets

All of these

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

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

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Strain

Stress

Elasticity

Plasticity

The curie temp for iron is about

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800^oC

740^oC

750^oC

650^oC

The most suitable metal for making permanent magnet is.

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Iron

Aluminium

Steel

Copper

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

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