Question # 1

The SI unit of stress is same as that of.

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Pressure

Force

Momentum

Work

The dimension of stress is

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[MLT^-1]

[ML^-1T]

[ML^-1T^-1]

[ML^-1T^-2]

The conductors having the conductivity of the order of

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The curie temp for iron is about

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800^oC

740^oC

750^oC

650^oC

A semiconductor in its extremely pure form is known as:

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Intrinsic

Extrinsic

Both a and b

None of above

Minority carriers in P-Types , substances are.

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Electrons

Protons

Holes

Neutrons

Example of ductile substance is.

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Glass

Wood

Lead

Oxygen

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

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Diamagnets

Paramagnets

Ferromagnets

All of these

The solids are classified as

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Polymeric

Amorphous

Crystalline

All 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

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

Which one is not a ductile material

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Lead

Steel

Copper

Wrought Iron

The critical temperature of Aluminum is.

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3.72 K

1.18 K

7.2 K

8.2 K

substance which undergo plastic deformation until they break are known as.

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Brittle substances

Ductile substance

Non magnetic substance

Magnetic substance

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 of the following has bulk modulus?

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Water

Gas

Honey

All

There is regular arrangement of molecules in:

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Amorphous solids

Crystalline solids

Both a and b

None of above

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Physics Fsc Part 2 Chapter 6 Online Test MCQs With Answers

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