Physics Fsc Part 1 Chapter 11 Online Test

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Physics Fsc Part 1 Chapter 11 Online Test

  • Total Questions17

  • Time Allowed20

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Physics Fsc Part 1 Chapter 11 Online Test

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Question # 1

When hot and cold water are mixed, the entropy.

Question # 2

If the temperature of sink is absolute zero then the efficiency of heat engine engine should be.

Question # 3

An ideal reversible heat engine has

Question # 4

During adiabatic process, which factor remains constant.

Question # 5

According to first law of thermodynamics the quantity which is conserved.

Question # 6

A Carnot engine has an efficiency of 50% when its sink temperature is at 27 oC. The temperature of source.

Question # 7

In the thermodynamics process , the equation W = -delta U represents.

Question # 8

Boltzman constant 'k' has same unit as.

Question # 9

The efficiency of any heat engine can never be

Question # 10

Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be

Question # 11

The kinetic energy of molecules of an ideal gas at absolute zero is

Question # 12

An ideal heat engine can only be 100% efficient if its cold temperature reservoir is at.

Question # 13

The behaviour of gases is discussed by

Question # 14

Force acting on the piston to move outward is.

Question # 15

A gas performs 10 J of work while expanding adiabatically. the change in its internal energy is.

Question # 16

Mercury is used as a thermometric substance because

Question # 17

Which one is true for isothermal process.

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