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

Entropy of universe is increasing day by da due to.

Question # 2

The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.

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

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

Question # 5

First law of thermodynamics is a

Question # 6

Which of the following should not change in isothermal operation.

Question # 7

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 # 8

Woolen clothing a effective in keeping us warm because.

Question # 9

A heat engine can develop efficiency equal to 100% if the temperature of the sink is

Question # 10

The specific heat of a substance is a function of its

Question # 11

Difference between Cp and Cv is equal to

Question # 12

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

Question # 13

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

Question # 14

Which one of the following gases posses maximum oot mean square velocity.

Question # 15

What is a thermal properly of a material that determines the quantity of energy required to change the phase of a unit mass of that substance.

Question # 16

The specific heat of an ideal gas values as

Question # 17

Pressure of a gas depends upon

Question # 18

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 # 19

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

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 According to kinetic theory of gases one assumes that the collisions between molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic
3 If T1 and T2 are source and sink temperature respectively Carnot efficiency is.
A. T1+T2/T1
B. T1-T2/T1
C. T1+T2/T2
D. T1-T2/T2
4 Which kind of motion is exhibited by molecules of monoatomic gas.
A. Rotatory
B. Vibratory
C. Translatory
D. Random
5 A perfect gas is one whose
A. Molecules are masless
B. Molecules are energetic
C. Molecules are perfectly elastic
D. Molecules are at rest
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 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
8 When a liquid is hated retaining its liquid sate then its molecules gain.
A. K.E.
B. P.E
C. Heat energy
D. Chemical energy
9 The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to
A. The specific heat
B. The specific thermal energy
C. The specific heat at constant pressure
D. the internal energy of the gas
10 If the specific latent heat of vaporization of oxygen is 214 kJ kg-1 how much heat will be absorbed when 3.0 kg of oxygen is boiled off at its boiling point.
A. 14 kJ
B. 64 k J
C. 140 kJ
D. 642 k j

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