Question # 1

Force acting on the piston to move outward is.

Choose an answer

Compressive stoke

Power stoke

All stoke

Exhaust stoke

For a gas obeying Boyle's Law, if the pressure is doubled, the volume becomes.

Choose an answer

Double

Three fold

One half

Remains the same

For working of heat engine, there must be

Choose an answer

A source

A sink

Ether of these

Both of them

The collision between the gas molecules is

Choose an answer

Elastic

Inelastic

Both a and b

None of these

Not change in entropy of a system after one complete Carnot cycle is.

Choose an answer

Positive

Negative

Zero

None of these

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

Choose an answer

3/4

9/16

4/3

10/9

Unite of thermodynamics scale of temperature is.

Choose an answer

Centigrade

Fahrenheit

Kelvin

Celsius

S.I Unit of pressure of gas is.

Choose an answer

Nm

N.m

N2/m

N3m

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

The work done is isochoric process is.

Choose an answer

Constant

Variable

Zero

Depend upon condition

For a diatomic gas Cv= 5R/2 then gamma for this gas is.

Choose an answer

5/7

4/35

7/5

35/4

Efficiency of steam locomotive is.

Choose an answer

8%

10%

9%

7%

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

Choose an answer

Force

Momentum

Energy

Power

When hot and cold water are mixed, the entropy.

Choose an answer

Decreases

Increases

Remain constant

Zero

Cloud formation in atmosphere is an example of.

Choose an answer

Isothermal process

Isochoric process

Adiabatic process

Isobaric process

Boltzman constant 'k' has same unit as.

Choose an answer

Temperature

Energy

Entropy

Pressure

More Classes

Other Links

Physics ICS 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