Question # 1

On which parameter internal energy of an ideal gas depends upon.

Choose an answer

Volume

Mass

Pressure

Temperature

The phenomenon of Brownian motion shows that

Choose an answer

Molecules exist and can be seen as bright dots moving about

Molecules moves about randomly at highs speeds

Smoke particles behaves as molecules

Smoke particles can be used as models of air molecues.

A Carnot engine can be 100% efficient of the sink is at.

Choose an answer

0 k

0 oF

0 oC

273 K

The follow of heat from hot body to cold body is an example of

Choose an answer

Adiabatic process

Isothermal process

Reversible process

Irreversible process

In four stroke cycle the crank makes

Choose an answer

One complete revolution

Two complete revolutions

three complete revolutions

Four complete reveolutions

Mean free path of gas molecules in inversely proportional to its.

Choose an answer

Weight

Temperature

Pressure

Volume

First law of thermodynamics is a

Choose an answer

Boyle 's law

Charles' law

Law of energy conservation

Steffen Boltzmann law

The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be

Choose an answer

Lowered

Raised

Unaffected

Become zero

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Choose an answer

Conduction or diffusion

Convection

Radiation

Mass transfer

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

Which one is the primary standard for temperature measurement.

Choose an answer

Resistance thermometer

Mercury in glass thermometer

Constant volume gas thermometer

Pyrometer

Thermodynamics concern its primary with the

Choose an answer

Measurement of quantity of heat

Physical effects of temperature changes

Conversion of heat into other energy forms

Behavior of gases

Net change in entropy of a system in a Carnot's cycle in

Choose an answer

Positive

Negative

Zero

Infinite

A diatomic gas contains only

Choose an answer

Translational K.E.

Rotational K.E.

Vibrational K.E.

All of these

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

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

Choose an answer

-20

-40

20

40

The term used for heat capacity per unit mass is.

Choose an answer

Latent heat

Specific heat

Energy density

Specific energy

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