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

A perfect gas is one whose

Question # 2

Gas law PV = constant is for

Question # 3

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 # 4

Which of the following should not change in isothermal operation.

Question # 5

Which following properties of molecules of a gas is same for all gases at a particular temperature.

Question # 6

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 # 7

A heat engine can develop efficiency equal to 100% if the temperature of the sink is

Question # 8

During solid ficain the temperature.

Question # 9

The zero point of Kelvin scale is called.

Question # 10

In the free expansion of a perfect gas there is no.

Question # 11

In an isobaric process there is no.

Question # 12

If pressure and temperature of an ideal gas is doubled and volume is halved, the number of the gas molecules.

Question # 13

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

Question # 14

Which gas strictly obeys gas laws.

Question # 15

The specific heat of liquid

Question # 16

If T1 and T2 are source and sink temperature respectively Carnot efficiency is.

Question # 17

If temperature of the sink is decreased the efficiency of a Carnot engine

Question # 18

Mean free path of gas molecules in inversely proportional to its.

Question # 19

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

Question # 20

Diffusion of gases occurs because the molecules of the

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The product of mass and specific heat of a substance is called.
A. Latent heat
B. Water equivalent
C. Atomic heat
D. Heat capacity
2 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
3 During an adiabatic gas expansion the environment
A. Serves as a heat sink
B. Serves as a heat source
C. Must be at a higher temperature than the gas
D. Does not have to participate
4 When all the systems taking part in a process are included, the entropy.
A. Decreases
B. Either remains constant of increases
C. Either remains constant or decreases
D. Remains constnat
5 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity
6 if temperature eon Celsius scale is 50 oC the temperature on Fahrenheit scale will be.
A. 102 oF
B. 108 oF
C. 112 oF
D. 122 oF
7 A convention current is the movement of fluid caused by the change in.
A. Pressure
B. Temperature
C. Densities
D. Volume
8 Why freezer a refrigerator is located in the top section
A. Motor is not affected
B. Heat gained from environment is less
C. The entire chamber of freezer is cooled quickly
D. Heat gained from environment is more
9 Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.
A. 0 K
B. 100 K
C. 273 K
D. 373 K
10 A heat engine with 100% efficiency would have to.
A. Do no work
B. Be at uniform temperature
C. Use no heat
D. Discharge of 0 oC

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