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

From any substance the temperature and pressure at which the material can coexist in all three states in equilibrium is called.

Question # 2

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

Question # 3

Under an isothermal process internal energy of the system.

Question # 4

On increasing the temperature of source efficiency of Carnot engine.

Question # 5

The mechanical equivalent of heat

Question # 6

What happens to internal energy of a piece of lead when hammered.

Question # 7

Which of the following gases has the maximum rms speed at STP.

Question # 8

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

Question # 9

Which gas strictly obeys gas laws.

Question # 10

When a solid is melting the temperature remains constant even through heat is being supplied because the

Question # 11

The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be

Question # 12

The specific heat capacity of the body depends upon.

Question # 13

A convention current is the movement of fluid caused by the change in.

Question # 14

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

Question # 15

In four stroke cycle the crank makes

Question # 16

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

Question # 17

The internal inertia of a thermodynamics system is known as.

Question # 18

Why an even Carnot engine Carnot give 100% efficiency.

Question # 19

The product of mass and specific heat of a substance is called.

Question # 20

Which of the following is a clinical thermometer.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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.
A. Half
B. Three times
C. Double
D. Four times
2 A perfect gas is one whose
A. Molecules are masless
B. Molecules are energetic
C. Molecules are perfectly elastic
D. Molecules are at rest
3 Which of the following is an example of an irreversible process.
A. Isothermal and adiabatic process
B. Melting of ice
C. Work done against friction
D. Pettier effect
4 In which temperature range water decreases in volume with increasing temperature.
A. From 0 oC to 4 oC
B. from 0 oC to 10 oC
C. from 50 oC to 100 oC
D. from 75 oC to 100 oC
5 The efficiency of Carnot engine is
A. Less than one
B. Zero
C. Greeter than one
D. Infinite
6 According to kinetic energy of gases one assumes that the collisions between the molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic
7 If a gas does 10 J of external work white expanding then the change in internal energy is equal to.
A. 0 J
B. 10 J
C. -10 J
D. 100 J
8 A heat engine can develop efficiency equal to 100% if the temperature of the sink is
A. Less than that of source
B. Equal to that of source
C. 0 K
D. 0 oC
9 If two gases have same reduced pressure volume and temperature it is according to
A. Boyle's law
B. Charles law
C. Law of corresponding state
D. Zeroth law
10 Difference between Cp and Cv is equal to
A. General gas constant
B. Planck's conatant
C. Molar gas constant
D. Boltzmann's constant

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