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

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

Question # 2

According to kinetic theory of gases one assumes that the collisions between molecules are.

Question # 3

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

Question # 4

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 5

The expression PV/KT represents.

Question # 6

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 # 7

If the temperature of the source and sink are increased by same amount the efficiency of the engine.

Question # 8

What is a measure of the total energy of a thermodynamics system.

Question # 9

Advantage of using gases as thermornetic substrates is taht

Question # 10

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

Question # 11

In an isobaric process there is no.

Question # 12

An ideal engine can be 100% efficient only if its exhaust temperatute.

Question # 13

In which given process does the system always return to the original thermodynamic state.

Question # 14

Diffusion of gases occurs because the molecules of the

Question # 15

An inflated tyre suddenly bursts As a result of this temperature of the surrounding

Question # 16

According to kinetic energy of gases one assumes that the collisions between the molecules are.

Question # 17

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

Question # 18

Triple point of water in Kelvin scale is

Question # 19

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

Question # 20

Which of the following is an example of an irreversible process.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The expression PV/KT represents.
A. Number of moles of the gas
B. Number of molecules in the gas
C. Total mass of the gas
D. Density of the gas
2 The internal energy of an isolated system
A. Is zero
B. Keeps on changing
C. Remains constant
D. Cannot be judged
3 The specific heat of a substance is a function of its
A. mass
B. Weight
C. Volume
D.
Molecular structure
4 Which of the following is an example of an irreversible process.
A. Isothermal and adiabatic process
B. Melting of ice
C. Work done against friction
D. Pettier effect
5 Which following properties of molecules of a gas is same for all gases at a particular temperature.
A. Momentum
B. Mass
C. velocity
D. K.E.
6 Which of the following is defined as the amount of heat required to raise the temperature of 1 g of water by 1 oC
A. Joule
B. BTO
C. Electron volt
D. Calorie
7 On which temperature scale a degree is 1/180 of the interval between the freezing point and the boiling point.
A. Celsius scale
B. Fahrenheit scales
C. Rankine scale
D. Kelvin scale
8 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.
A. Half
B. Three times
C. Double
D. Four times
9 Most cooking involves
A. Adiabatic process
B. Isothermal process
C. Isobaric process
D. Isochoric process
10 In free expansion of a gas. the internal energy of the system.
A. Increases
B. Descreases
C. Remain unchanged
D. Becomes infinite

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