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 highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.

Question # 2

Why freezer a refrigerator is located in the top section

Question # 3

If a gas does 10 J of external work white expanding then the change in internal energy is equal to.

Question # 4

Advantage of using gases as thermornetic substrates is taht

Question # 5

Which temperature is the absolute measure of temperature.

Question # 6

The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be

Question # 7

Which of the following parameters does not characterize the thermodynamic state of matter.

Question # 8

What is the SI unit for thermal conductivity.

Question # 9

The ration of Universal gas constant and Avogadro's number is called.

Question # 10

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

Question # 11

Certain gas are called permanent gases because.

Question # 12

Which of the following gases has the maximum rms speed at STP.

Question # 13

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

Question # 14

What is the triple point of water.

Question # 15

Temperature of a gas is related to.

Question # 16

The zero point of Kelvin scale is called.

Question # 17

The pressure necessary to liquify a gas at the critical temperature is called.

Question # 18

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

Question # 19

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

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 On what factor the internal energy of a thermodynamic system depend upon.
A. History
B. State
C. Process
D. Surroundings
2 In a vacuum flask the vacuum prevents heat transfer by
A. Radiation only
B. Conduction only
C. Convection only
D. Conduction and convection
3 The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be
A. Lowered
B. Raised
C. Unaffected
D. Become zero
4 Which statement about convection is correct.
A. Brownian motion is a form of convection
B. Convection occurs only in gas
C. Convection results from a density change
D. Evaporation is a form of convection
5 What is the amount of mechanical work done to melt 1 g of ic completely
A. 4.2 J
B. 42 J
C. 80 J
D. 336 J
6 Which law states that if two systems are in thermal equilibrium with a third system they are also in the thermal equilibrium with each other.
A. Third law of thermodynamics
B. Second law of thermodynamics
C. First law of thermodynamics
D. Zeroth law of thermodynamics
7 Temperature of a system remains constant in
A. Adiabatic process
B. Isobaric process
C. Isothermal process
D. Isochoric process
8 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
9 Diffusion of gases occurs because the molecules of the
A. Gas present in a higher concentration exerts a high pressure
B. Gases are different
C. Gasses attract each other
D. Gasses over about randomly
10 Which thermometer is called sprint thermometer
A. Alcohol thermometer
B. Mercury in glass thermometer
C. Gas thermometer
D. Radiation thermometer

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