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

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

Question # 2

The mechanical equivalent of heat is.

Question # 3

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

Question # 4

What is the minimum number of thermodynamic parameters required to specify the state of gas system.

Question # 5

If the number of gas molecules in a cubical vessel is increase from N to 3 N then its pressure and total energy will be.

Question # 6

The ideal thermal efficiency of a cyclic heat engine is limited by

Question # 7

Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.

Question # 8

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

Question # 9

Why freezer a refrigerator is located in the top section

Question # 10

In Isochoric process there is no

Question # 11

The pressure of a gas is directly proportions to

Question # 12

When heat a supplied to a metallic sphere which one of the following changes will occur.

Question # 13

Which of the given geometries will result in the largest convection consfficient.

Question # 14

Pressure of a gas depends upon

Question # 15

Which temperature is the absolute measure of temperature.

Question # 16

Specific heat a different substances varies becouse of

Question # 17

Certain gas are called permanent gases because.

Question # 18

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

Question # 19

Woolen clothing a effective in keeping us warm because.

Question # 20

Why an even Carnot engine Carnot give 100% efficiency.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 No entropy change is associated with
A. Isothermal process
B. Adiabatic process
C. Isochoric process
D. Isoteric process
2 Real gases obey gas laws only at
A. Low pressure and high temperature
B. High pressure and low temperature
C. High pressure and high temperature
D. Low pressure and low temperature
3 The ratio of specific heat capacity to motor heat capacity of a body
A. Is a universals cantante
B. Depends upon the mass of the body
C. Depends upon the molecular weight of the body
D. Is dimensionless
4 The follow of heat from hot body to cold body is an example of
A. Adiabatic process
B. Isothermal process
C. Reversible process
D. Irreversible process
5 Which of the following has maximum specific heat.
A. Glass
B. Iron
C. Brass
D. Lead
6 Which gas strictly obeys gas laws.
A. Hydrogen gas
B. Inert gas
C. Ideal perfect gas
D. Helium gas
7 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
8 Andrews isothermal helps to messure
A. Boiling point
B. Boyle's temperature
C. Temperature of inversion
D. Critical temperature
9 Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.
A. Charles law
B. Avogadro's
C. Boyles law
D. Boizmann law
10 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

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