Question # 1

Pascal is the unit of

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Pressure

Force

Tension

Weight

During adiabatic process, which factor remains constant.

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Entropy

Pressure

Momentum

Power

At constant temperature and pressure, if volume of given mass of a gas is doubled then density is.

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Doubled

1/4 original

1/2 of original

Unchanged

Transformation of heat other forms of energy is discussed in

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Thermal physics

Thermodynamics

Atomic physics

Nuclear physics

the change in internal energy is defined as

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Q - W

Q-T

Q + P

Q - P

A cycle of petrol engine undergoes

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Two process

Three process

Four process

single process

Mercury is used as a thermometric substance because

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It is opaque

Does not stick to glass

Has low specific heat

All of these

In reversible process the entropy of system.

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Remain constant

Decrease

Increase

Becomes zero

If the temperature of a gas is constant then <1/2 mv2> of the molecules of gas will be.

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Constant

Zero

Increase

Decrease

The temperature of human body on Kelvin scale is

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210K

310K

410K

510K

A device based upon the thermodynamics property of matter is called.

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Calorimeter

Heat engine

thermometer

Voltmeter

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Physics English Medium Fsc Part 1 Chapter 11 Online MCQs Test MCQs With Answers

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