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

Certain gas are called permanent gases because.

Question # 2

A heat engine with 100% efficiency would have to.

Question # 3

Gas exert pressure on walls of the visual because gas molecules.

Question # 4

The transfer of thermal energy between regions of matter due to a temperature gradient is called.

Question # 5

Mean free path of gas molecules is inversely proportional to its

Question # 6

Which one is the primary standard for temperature measurement.

Question # 7

What is world's average surface air temperature.

Question # 8

Efficiency of a Carnot engine depends on

Question # 9

A 4 kJ mass of copper of specific heat capacity of 400 J kg-1k-1 is heated for 160 s by a heater of power 200 W what is the rise in temperature.

Question # 10

Why freezer a refrigerator is located in the top section

Question # 11

The follow of heat from hot body to cold body is an example of

Question # 12

What is the necessary condition for Boyle's law to hold good.

Question # 13

The heat required to sublime one mole of the substance at standard temperature and pressure is called.

Question # 14

What happen to entropy in an irreversible cycle.

Question # 15

The phenomenon of Brownian motion shows that

Question # 16

The number of molecules or atoms in a specific volume of a gas is independent of their

Question # 17

The internal energy of monoatomic gas is.

Question # 18

Identify the irreversible process

Question # 19

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

Question # 20

The process in which pressure of the system remains constant.

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PPSC Physics Chapter 3 Important MCQ's

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 What is the minimum number of thermodynamic parameters required to specify the state of gas system.
A. 1
B. 2
C. 3
D. Infinite
3 The transfer of thermal energy between regions of matter due to a temperature gradient is called.
A. Conduction
B. Radiation
C. Convection
D. Sublimation
4 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
5 Which of the following devoices are used for measuring temperature.
A. Thermocouples
B. Thermistors
C. Thermometers
D. All of these
6 Absolute zero may be regarded as the temperature of which
A. Water freezes
B. All substances are solids
C. All gases become liquids
D. Molecular motioning a gas would ceases
7 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
8 Which thermodynamic law state taht the entropy of a perfect system approaches zero.
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
9 The SI unit of heat capacity is.
A. kg J
B. Kg J-1
C. J K-1
D. Kg J-1 K-1
10 Contrivances for converting heat into work are called.
A. Heat pumps
B. Heat engines
C. IC engines
D. Jet engine

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