Question # 1

What is the minimum number of thermodynamic parameters required to specify the state of gas system.

Choose an answer

1

2

3

Infinite

How much lce will melt by 50,000 J of heat.

Choose an answer

120 J

130 g

140 J

150 g

The temperature which is the same in ^oC and ^oF is.

Choose an answer

-20

-40

20

40

A heat engine with 100% efficiency would have to.

Choose an answer

Do no work

Be at uniform temperature

Use no heat

Discharge of 0 ^oC

if temperature eon Celsius scale is 50 oC the temperature on Fahrenheit scale will be.

Choose an answer

102 ^oF

108 ^oF

112 ^oF

122 ^oF

Mean free path of gas molecules is inversely proportional to its

Choose an answer

Volume

Pressure

Temperature

Size

Which of the following is standard scale of temperature

Choose an answer

Mercury scale

Platinum resistance scale

Gas scale

Alcohol scale

The product of mass and specific heat of a substance is called.

Choose an answer

Latent heat

Water equivalent

Atomic heat

Heat capacity

Which of the following parameters does not characterize the thermodynamic state of matter.

Choose an answer

Temperature

Pressure

Volume

work

The law of equation of energy is applicable to the system whose constituents are.

Choose an answer

At rest

In orderly motion

in random motion

Moving at constant speed

A heat engine can develop efficiency equal to 100% if the temperature of the sink is

Choose an answer

Less than that of source

Equal to that of source

0 K

0 ^oC

The internal energy of monoatomic gas is.

Choose an answer

3/2 RT

Independent of temperature

In the form of K.E.

Partially kinetic and partially potential

If we place oure hand below a lighted lamp we feel warmer due to.

Choose an answer

Conduction

Convection

Radiation

None of these

When a hot liquid is mixed with a cold liquid temperature of the mixture.

Choose an answer

First decreases and then becomes constant

First increases and then becomes constant

Continuously decreaes

Is undefined for some time and then nearly becomes constant

On which of the following the kinetic theory of gases is not applicable.

Choose an answer

Water vapour

Smoke particles

Bound particles

Free electrons

What is the internal energy of a mono atomic ideal gas.

Choose an answer

Potential only

Parity kinetic and parity potential

Kinetic only

Neither kinetic nor potential

According to kinetic theory of gases one assumes that the collisions between molecules are.

Choose an answer

Perfectly elastic

Perfectly inelastic

Partly elastic

Partly inelastic

The pressure of a gas is directly proportions to

Choose an answer

Mean velocity of the molecules

Mean square velocity of the molecules

Root mean square velocity of the molecules

Instantaneous velocity of the molecules

In Isochoric process there is no

Choose an answer

Work done

Internal energy change

Volume change or work done

Heat exchanged

Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.

Choose an answer

Zeroth law of thermodynamics

First law of thermodynamics

Second law of thermodynamics

Third law of thermodynamics

What is the represented by the area inside the Carnot cycle.

Choose an answer

Heat taken to increase the body temperature.

Energy loss due to leakage

Useful work done

Heat rejected by the system

More Classes

Other Links

PPSC Physics Chapter 3 Thermal Properties of Matter 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

Choose an answer

Choose an answer

Choose an answer