PPSC Physics Topic 3 MCQ Test With Answer

PPSC Physics lecturer test contains questions about Thermal Properties Of Matter. This topic deals with the reaction of different states of matter when studied under different levels of thermal conditions. Learning about how different types of matter behave when exposed to different temperatures has enabled physicists and scientists to invent thousands of useful items. In the PPSC Physics online test, you can attempt the type of questions that are usually asked about Thermal Properties Of Matter in the PPSC physics test. The importance of the matter and its interaction with different conditions of temperature makes it an important concept in the understanding of the subject matter of physics.

All candidates can prepare for PPSC Physics test on our free IlmKiDunya.com online test preparation portal. By taking this test, you can expand the understanding you already have of this topic. Attempt the PPSC Physics test MCQs regarding this topic right now and test your abilities!

MCQ's Test For PPSC Physics Topic 3 Thermal Properties of Matter

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

A Carnot engine has the same efficiency between (i) 100 K and 500 K and ii) T and 900 K What will be T.

Question # 2

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

Question # 3

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

Question # 4

How does heat transfer between objects.

Question # 5

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

Question # 6

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

Question # 7

What is the amount of mechanical work done to melt 1 g of ic completely

Question # 8

The efficiency of a diesel engine is about

Question # 9

The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.

Question # 10

Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.

Question # 11

Because of second law of thermodynamics about the direction of energy flow what is possible.

Question # 12

What should be the shape of an ideal thermometer.

Question # 13

In Isochoric process there is no

Question # 14

What is the mean free path in a gas.

Question # 15

The average K.E. of the molecules of an ideal gas in a closed rigid container is increased by a factor of 4 What happen to the pressure of the gas.

Question # 16

A sample of an ideal gas may i) energy adiabatically, or ii) Expand isothermally. the net flow of heat into the gas from the exterior is.

Question # 17

When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.

Question # 18

Triple point of water in Kelvin scale is

Question # 19

In an isobaric process there is no.

Question # 20

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

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Sr.# Question Answer
1 At the temperature of -273 oC. pressure of a gas at constant volume becomes zero This specific temperature is called.
A. Freezing point
B. Critical temperature
C. Absolute zero
D. Terminal point
2 On which of the following the kinetic theory of gases is not applicable.
A. Water vapour
B. Smoke particles
C. Bound particles
D. Free electrons
3 Which of the following is an example of an irreversible process.
A. Isothermal and adiabatic process
B. Melting of ice
C. Work done against friction
D. Pettier effect
4 What is the total entropy change during an reversible cycle.
A. Unity
B. Infinite
C. Zero
D. Cannot be detected
5 A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.
A. Mass of the upon
B. Area of cross section of the rod
C. Temperature gradient between two ends
D. Time for which heat flow through the rod
6 The internal energy of an isolated system
A. Is zero
B. Keeps on changing
C. Remains constant
D. Cannot be judged
7 According to kinetic energy of gases one assumes that the collisions between the molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic
8 What is a measure of the total energy of a thermodynamics system.
A. Entropy
B. Enthalpy
C. Randomness
D. Chaos theory
9 No entropy change is associated with
A. Isothermal process
B. Adiabatic process
C. Isochoric process
D. Isoteric process
10 The process in which a system undergoes a change of state at constant volume.
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiabatic process

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