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

In a vacuum flask the vacuum prevents heat transfer by

Question # 2

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

Question # 3

What happen to entropy in an irreversible cycle.

Question # 4

During an adiabatic gas expansion the environment

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

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

Question # 7

The pressure necessary to liquify a gas at the critical temperature is called.

Question # 8

What kind of movement is dictated by the laws of thermodynamcis.

Question # 9

The gas thermometer is taken as the primary standard because.

Question # 10

Which of the following is the ideal gas equation.

Question # 11

The efficiency of Carnot engine is

Question # 12

Which one of the following temperature scales is independent of the properties of any particular substance.

Question # 13

When a hot liquid is mixed with a cold liquid temperature of the mixture.

Question # 14

A sample of an ideal gas may i) energy adiabatically, or ii) Expand isothermally. the net flow of heat into the gas from the exterior is.

Question # 15

Mean free path of gas molecules is inversely proportional to its

Question # 16

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

Question # 17

Specific heat a different substances varies becouse of

Question # 18

The specific heat of a substance is a function of its

Question # 19

Which of the following is a non contacting device that intercepts and measures thermal radiation.

Question # 20

Identify the irreversible process

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Sr.# Question Answer
1 Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.
A. Doubled the original volume
B. Same as original volume
C. Reduced to half the original volume
D. Reduced to two times the original volume
2 If the gas pressure is increased then its mean free path becomes.
A. More
B. Zero
C. Infinite
D. Less
3 What is the total entropy change during an reversible cycle.
A. Unity
B. Infinite
C. Zero
D. Cannot be detected
4 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity
5 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
6 What is the average K.E. of gas molecules at temperature equal to K.
A. kt/3
B. 3/2 KT
C. 1/2 KT
D. 2/3 KT
7 Temperature of a system remains constant in
A. Adiabatic process
B. Isobaric process
C. Isothermal process
D. Isochoric process
8 In an isobaric process there is no.
A. Pressure change
B. Internal energy change
C. Heat exchanged
D. volume change or work done
9 Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiabatic process
10 The actual gas can behave like an ideal gas at
A. Low density and high pressure
B. High density and high pressure
C. Low density and low pressure
D. High density and low pressure

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