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

Which of the following should not change in isothermal operation.

Question # 2

The kinetic molecular model of matter describe matter an being made up of molecules in continuous.

Question # 3

The gas thermometer is taken as the primary standard because.

Question # 4

If the gas pressure is increased then its mean free path becomes.

Question # 5

During an adiabatic gas expansion the environment

Question # 6

if temperature eon Celsius scale is 50 oC the temperature on Fahrenheit scale will be.

Question # 7

The behavior of the gases that can be easily liquefied is like that of the.

Question # 8

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

Question # 9

Which gas strictly obeys gas laws.

Question # 10

Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.

Question # 11

Which statement about convection is correct.

Question # 12

Which of the following has maximum specific heat.

Question # 13

Mean free path of gas molecules in inversely proportional to its.

Question # 14

No entropy change is associated with

Question # 15

Difference between the molar heat capacity constant pressure and that a constant volume is equal to

Question # 16

In a vacuum flask the vacuum prevents heat transfer by

Question # 17

The total gain in entropy of the working substance in a Carnot cycle is.

Question # 18

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

Question # 19

The process in which a system undergoes a change of state at constant volume.

Question # 20

Thermodynamics deals with

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Significant motion for the molecules of a monoatomic gas is.
A. Rotatory
B. Vibratory
C. Translatory
D. Random
2 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.
A. PAD
B. PA/d
C. Pd/A
D. Pd/A2
3 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
4 Temperature of a gas is related to.
A. Total K.E. of the gas molecules
B. The K.E. of the centre of mass of the gas
C. The P.E. of the centre of mass of the gas
D. Total K.E. of the molecules w.r.t the centre of mass of gas
5 What should be the shape of an ideal thermometer.
A. Sphereical
B. Cubical
C. Cylindrical
D. Rectangular
6 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
7 Net change in entropy of a system in a Carnot's cycle in
A. Positive
B. Negative
C. Zero
D. Infinite
8 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
9 Which law states that if two systems are in thermal equilibrium with a third system they are also in the thermal equilibrium with each other.
A. Third law of thermodynamics
B. Second law of thermodynamics
C. First law of thermodynamics
D. Zeroth law of thermodynamics
10 From any substance the temperature and pressure at which the material can coexist in all three states in equilibrium is called.
A. Critical point
B. Triple point
C. Initial point
D. Final point

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