Question # 1

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

The conductors having the conductivity of the order of

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Which one of the following is ductile substance.

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Copper

Lead

Wrought iron

All of them

In glass, molecules are irregularly arranged so it is known as.

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Solid

Liquid

Solid liquid

Gas

The SI unit of stress is same as that of.

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Pressure

Force

Momentum

Work

A semiconductor in its extremely pure form is known as:

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Intrinsic

Extrinsic

Both a and b

None of above

A solid having regular arrangement of molecules throughout its structure is called.

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Amorphous solid

Polymeric solid

Crystalline solid

Glassy solid

An ordinary glass gradually softness into a paste like state before it becomes a very viscous liquid which is possible at

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900^oC

600^oC

800^oC

100^oC

Example of ductile substance is.

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Glass

Wood

Lead

Oxygen

Yield stress is another name of

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Plasticity

Proportional limit

Elastic limit

Both (b) and (c)

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

There are different crystal systems. The number of these crystal system is.

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3

4

5

7

Natural rubber is an example of:

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Crystalline solids

Amorphous solids

Polymeric solids

None of above

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

Which one is not a crystalline solid.

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Zinc

Copper

Nylon

None of these

The critical temperature of Aluminum is.

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3.72 K

1.18 K

7.2 K

8.2 K

To get N-Type the Ge is doped with

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Aluminium

Arsenic

Boron

Indium

Which of the following has least hysteresis loop area.

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Steel

Wrought Iron

Soft Iron

Cobalt

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

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