Question # 1

Unite of thermodynamics scale of temperature is.

Choose an answer

Centigrade

Fahrenheit

Kelvin

Celsius

Entropy of measure of.

Choose an answer

Internal energy of system

Order of system

Disorder of system

Potential energy of system

The energy processes, we use are

Choose an answer

Efficient

Not efficient

Reversible

None of these

The collision between the gas molecules is

Choose an answer

Elastic

Inelastic

Both a and b

None of these

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

Choose an answer

Very low

Very high

Zero

First increases then decreases

Cloud formation in atmosphere is an example of.

Choose an answer

Isothermal process

Isochoric process

Adiabatic process

Isobaric process

Pascal is the unit of

Choose an answer

Pressure

Force

Tension

Weight

The difference between tow molar capacities is equal to.

Choose an answer

Plank's constant

General gas equation

Molar gas constant

Boltzmann constant

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

Choose an answer

273^oC

300 ^oC

327 ^oC

373 ^oC

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

Choose an answer

10 J

-10 J

100 J

-200 J

Size of the molecules is much smaller as compared to the

Choose an answer

Mass of the molecules

Distance between the molecules

Density of the molecules

Volume of the molecules

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

Choose an answer

Constant

Zero

Increase

Decrease

Which is the process in which temperature of the system remains constant.

Choose an answer

Adiabatic process

Isochoric process

Isothermal process

Isobaric process

The mean kinetic energy of gas is at.

Choose an answer

0 ^oC

-273 ^oC

100 K

100 ^oC

the work done in isochoric process is.

Choose an answer

Constant

Variable

Zero

Depend upon condition

Pressure 'P' of a gas is defined as

Choose an answer

F/A

FA

F/V

F/D

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