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

Try The 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

What type of process is the Carnot's cycle.

Question # 2

Which quantity must be the same for two bodies if they are to be in thermal equilibrium.

Question # 3

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

Question # 4

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

Question # 5

Absolute zero may be regarded as the temperature of which

Question # 6

A mercury thermometer has

Question # 7

The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.

Question # 8

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

Question # 9

When ever a system is made to complete a cyclic process the work done during the complete cycle.

Question # 10

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

Question # 11

Which of the following pairs represent units of the same physical quantity.

Question # 12

What is a measure of the total energy of a thermodynamics system.

Question # 13

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

Question # 14

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

Question # 15

If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.

Question # 16

Why freezer a refrigerator is located in the top section

Question # 17

Difference between Cp and Cv is equal to

Question # 18

Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.

Question # 19

At absolute zero of temperature.

Question # 20

What is the mean free path in a gas.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 What is the total entropy change during an reversible cycle.
A. Unity
B. Infinite
C. Zero
D. Cannot be detected
2 An ideal engine can be 100% efficient only if its exhaust temperatute.
A. Equal to input temperature
B. Less than is input temperature
C. More than its input temperature
D. 0 oC
3 Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.
A. Electrons
B. Lattice vibrations
C. Photons
D. Positive ions
4 Identify the irreversible process
A. Explosion of a bomb
B. Slow expansion of a gas
C. Slow compression of a gas
D. Slow compression of an eleastic spring
5 The number of molecules or atoms in a specific volume of a gas is independent of their
A. Volume
B. Pressure
C. Size
D. Temperature
6 The gas thermometer is taken as the primary standard because.
A. Thermometers are easily reproducible
B. Readings can be accurately taken
C. No correction are necessary
D. It produces he thermodynamic scale
7 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.
A. It remains the same
B. It increases by a factor of 2
C. It increases by a factor of 4
D. It increases by a factor of 8
8 The practical efficiency of a heat engine is
A. 25% to 30.5 %
B. 35% to 45%
C. 30% to 45%
D. 15% to 25%
9 Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiabatic process
10 What type of process is the Carnot's cycle.
A. Reversible
B. Irreversible
C. Neither reversible nor irreversible
D. May be reversible or irreversible

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