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

What is the represented by the area inside the Carnot cycle.

Question # 2

Significant motion for the molecules of a monoatomic gas is.

Question # 3

Which following properties of molecules of a gas is same for all gases at a particular temperature.

Question # 4

Specific heat a different substances varies becouse of

Question # 5

When all the systems taking part in a process are included, the entropy.

Question # 6

Which of the following can be used visualize the third law thermodynamics

Question # 7

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

Question # 8

In a vacuum flask the vacuum prevents heat transfer by

Question # 9

Convention is the transfer of thermal energy by means of currents in

Question # 10

The change in entropy for any reversible cycle is identically

Question # 11

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

Question # 12

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

Question # 13

When a fluid in a cylinder expands through a distance 'd' against a piston of area 'A' which is exerting a constant pressure 'P' the work done is equal by.

Question # 14

In free expansion of a gas. the internal energy of the system.

Question # 15

During an adiabatic gas expansion the environment

Question # 16

What is the total entropy change during an reversible cycle.

Question # 17

The phenomenon of Brownian motion shows that

Question # 18

Absolute zero may be regarded as the temperature of which

Question # 19

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

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
2 Which kind of motion is exhibited by molecules of monoatomic gas.
A. Rotatory
B. Vibratory
C. Translatory
D. Random
3 Which of the following should not change in an Isothermal process.
A. Volume
B. Pressure
C. Temperature
D. All of these
4 Difference between Cp and Cv is equal to
A. General gas constant
B. Planck's conatant
C. Molar gas constant
D. Boltzmann's constant
5 A Carnot engine has the same efficiency between (i) 100 K and 500 K and ii) T and 900 K What will be T.
A. 90 K
B. 100 K
C. 180 K
D. 200 K
6 The efficiency of Carnot engine is
A. Less than one
B. Zero
C. Greeter than one
D. Infinite
7 Certain gas are called permanent gases because.
A. They cannot be liquified
B. They are perfect gases
C. The critical temperatures are low
D. their boiling points are low
8 What is the internal energy of a mono atomic ideal gas.
A. Potential only
B. Parity kinetic and parity potential
C. Kinetic only
D. Neither kinetic nor potential
9 The practical efficiency of a heat engine is
A. 25% to 30.5 %
B. 35% to 45%
C. 30% to 45%
D. 15% to 25%
10 Which of the following is a thermodynamic temperature scale.
A. Celsius scale
B. Fahrenheit scale
C. Kelvin scale
D. Rankine scale

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