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 type of process is the Carnot's cycle.

Question # 2

In the free expansion of a perfect gas there is no.

Question # 3

For which process is the relation Delta Q = Delta V true.

Question # 4

Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.

Question # 5

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Question # 6

If a gas does 10 J of external work white expanding then the change in internal energy is equal to.

Question # 7

Which kind of motion is exhibited by molecules of monoatomic gas.

Question # 8

When a liquid is hated retaining its liquid sate then its molecules gain.

Question # 9

Thermodynamics concern its primary with the

Question # 10

Which of the following measures how quickly the thermometer liquid mainly because it

Question # 11

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

Question # 12

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 # 13

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

Question # 14

The gas thermometer is taken as the primary standard because.

Question # 15

What is the heat required in Kilo joules when the temperature of 100 g of copper is raised thgough 20 K/. Specific heat capacity of copper is 0.4 x 10-3 kg -1 k-1

Question # 16

If the pressure of a gas is doubled, then its thermal conductivity will

Question # 17

The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.

Question # 18

The specific heat capacity of a substance is the amount of heat required to.

Question # 19

An inflated tyre suddenly bursts As a result of this temperature of the surrounding

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 Mean free path of gas molecules is inversely proportional to its.
A. Volume
B. Pressure
C. Temperature
D. Weight
2 What is the SI unit for thermal conductivity.
A. W m-1 K-1
B. W m-2 k-2
C. W m-3 k-1
D. J kg -1 k-1
3 Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.
A. Electrons
B. Lattice vibrations
C. Photons
D. Positive ions
4 Which of the following phenomenon gives evidence of the molecular structure of mater
A. Evaporation
B. Diffusion
C. Brownian movement
D. All of the above
5 The internal energy of an isolated system
A. Is zero
B. Keeps on changing
C. Remains constant
D. Cannot be judged
6 The efficiency of Carnot engine is
A. Less than one
B. Zero
C. Greeter than one
D. Infinite
7 In the free expansion of a perfect gas there is no.
A. work done
B. Heat exchnged
C. Internal energy changed
D. All of the above
8 A convention current is the movement of fluid caused by the change in.
A. Pressure
B. Temperature
C. Densities
D. Volume
9 Efficiency of a Carnot engine depends on
A. Temperature
B. Pressure
C. Volume
D. The nature of working substance
10 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%

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