Question # 1

The potential energy to the molecules of an ideal gas is considered to be.

Choose an answer

Maximum

Zero

1/2 kx²

1/2 kx

The curve representing an adiabatic process is called.

Choose an answer

An adiabatic

An isotherm

Both of these

None of these

For working of heat engine, there must be

Choose an answer

A source

A sink

Ether of these

Both of them

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

Choose an answer

100%

50%

Infinite

zero

The molecules of an ideal gas exert

Choose an answer

Force on each other

No force on each other

Large force on each other

Pressure on each other

The work done is isochoric process is.

Choose an answer

Constant

Variable

Zero

Depend upon condition

Entropy of measure of.

Choose an answer

Internal energy of system

Order of system

Disorder of system

Potential energy of system

The motion of gas molecules is

Choose an answer

In the same direction

Random

Walls of container

Opposite to each other

The entropy of the universe with passage of time is.

Choose an answer

Increases

Decreases

Remain constant

Increases and decreases

The SI unit of product of pressure and volume is.

Choose an answer

_Watt

Joule

Pascal

Newton

Boltzman constant 'k' has same unit as.

Choose an answer

Temperature

Energy

Entropy

Pressure

The ideal gas law is.

Choose an answer

PV =NVk

P = NkT

PV =nRT

P=nRT

Which is an example of irreversible process.

Choose an answer

Explosion

Evaporation

Slow compression

A chemical explosion

The efficiency of heat engine whose sink is at 17 ^oC and source at 200 ^oC is.

Choose an answer

38%

63%

80%

90%

Which remains constant in an adiabatic process.

Choose an answer

Volume

Pressure

entropy

temperature

A constant temperature, if pressure of a given mass of gas is halved, then its volume becomes.

Choose an answer

Halve

Doubled

Four time

Constant

During adiabatic process, which factor remains constant.

Choose an answer

Entropy

Pressure

Momentum

Power

No spark plug is needed in the

Choose an answer

Petrol engine

Diesel engine

Gas engine

Water engine

More Classes

Other Links

Physics Fsc Part 1 Chapter 11 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer