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

The internal energy of monoatomic gas is.

Question # 2

The process in which pressure of the system remains constant.

Question # 3

What happens to internal energy of a piece of lead when hammered.

Question # 4

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

Question # 5

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

Question # 6

Mean free path in a gas is the

Question # 7

Which quantity is common for systems in thermal equilibrium.

Question # 8

Which of the following is an example of irreversible process.

Question # 9

Under steady state the temperature of a body

Question # 10

Which of the following thermometers is the most suitable for measuring rapidly varying temperature.

Question # 11

Why freezer a refrigerator is located in the top section

Question # 12

The specific heat of a substance is a function of its

Question # 13

What type of process is the Carnot's cycle.

Question # 14

The specific heat of an ideal gas values as

Question # 15

A convention current is the movement of fluid caused by the change in.

Question # 16

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

Question # 17

No entropy change is associated with

Question # 18

The actual gas can behave like an ideal gas at

Question # 19

What is the human body temperature in Celsius scale.

Question # 20

Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 During solid ficain the temperature.
A. Remains constant at the freezing point
B. Increases at the freezing point
C. Decreases at the freezing point
D. Decreases at the melting point
2 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.
A. Positive is each case
B. Negative for i) and positive for ii)
C. Zero for i) and positive for ii)
D. Positive for i) and negative for ii)
3 Which of the following is an example of irreversible process.
A. Melting of ice
B. Work done against friction
C. Pettier heating and cooling
D. All isothermal and adiabatic changes
4 The ratio between the energy dissipated in some process and the heat that appears as a result is the
A. Specific heat
B. Mechanical equivalent of heat
C. Kilocalories
D. Triple point
5 In which given process does the system always return to the original thermodynamic state.
A. Cyclic
B. Adiabatic
C. isothermal
D. Isobaric
6 Specific heat a different substances varies becouse of
A. Same number of molecules in unit mass
B. Different number of molecules in unit mass
C. Different K.E. of molecules in unit mass
D. Same K.E. of molecules in unit mass
7 Convention is the transfer of thermal energy by means of currents in
A. Pressure
B. Temperature
C. Liquids
D. Fluids
8 The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.
A. 20%
B. 30%
C. 35%
D. 40%
9 Temperature of a gas is related to.
A. Total K.E. of the gas molecules
B. The K.E. of the centre of mass of the gas
C. The P.E. of the centre of mass of the gas
D. Total K.E. of the molecules w.r.t the centre of mass of gas
10 Which is the heat transfer mode between an object and its environment due to circular fluid motion.
A. Conduction
B. Convection
C. Radiation
D. Mass transfer

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