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

Advantage of using gases as thermornetic substrates is taht

Question # 2

What is the internal energy of a mono atomic ideal gas.

Question # 3

How many calories of heat are required to evaporate completely 1 g or ice at 0 oC

Question # 4

Diffusion of gases occurs because the molecules of the

Question # 5

During solid ficain the temperature.

Question # 6

Which statement about convection is correct.

Question # 7

Which quantity is common for systems in thermal equilibrium.

Question # 8

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

Question # 9

Under an isothermal process internal energy of the system.

Question # 10

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

Question # 11

The efficiency of Carnot engine is

Question # 12

Significant motion for the molecules of a monoatomic gas is.

Question # 13

During an adiabatic gas expansion the environment

Question # 14

The expression PV/KT represents.

Question # 15

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

Question # 16

Which thermometer is called sprint thermometer

Question # 17

The internal inertia of a thermodynamics system is known as.

Question # 18

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

Question # 19

Difference between Cp and Cv is equal to

Question # 20

What makes the air coming out of a punctured tyre cool.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When heat a supplied to a metallic sphere which one of the following changes will occur.
A. the mass of the sphere increases
B. The volume of the sphere increases
C. The density of the sphere increases
D. The internal energy of the sphere increases
2 What happens to Carnot efficiency if the source temperature increases.
A. Decreases
B. Increases
C. Remain the same
D. Becomes zero
3 Which temperature is the absolute measure of temperature.
A. Thermodynamic temperature
B. Freezing point
C. Boiling point
D. Absolute zero
4 Which of the following is the ideal gas equation.
A. PV -n RT
B. P/V = n RT
C. V/P = nR/T
D. PV = T/nR
5 What is the mean free path in a gas.
A. The distance travelled by a molecule before hitting a wall
B. the average distance travelled by a molecule in one second
C. the average distance travelled by molecules in one second
D. The root mean square velocity
6 When a solid is melting the temperature remains constant even through heat is being supplied because the
A. Heat is being used to break up the intermolecular bonds
B. Solid is not absorbing any heat
C. Molecules are moving faster
D. Molecules are farther a part
7 Which of the following is a thermodynamic temperature scale.
A. Celsius scale
B. Fahrenheit scale
C. Kelvin scale
D. Rankine scale
8 The efficiency of a diesel engine is about
A. 15% to 35 5
B. 355 to 40%
C. 45% to 655
D. 505 to 65 %
9 Which of the following is an example of irreversible process.
A. Melting of ice
B. Work done against friction
C. Pettier heating and cooling
D. All isothermal and adiabatic changes
10 The specific heat of an ideal gas values as
A. To
B. T1
C. T2
D. T3

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