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

A heat engine with 100% efficiency would have to

Question # 2

Below which temperature gas can be liquified by increasing its pressure.

Question # 3

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

Question # 4

Law of increase of entropy is a result of

Question # 5

A standard fixed point for calibrating a thermometer is.

Question # 6

Which of the following devoices are used for measuring temperature.

Question # 7

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

Question # 8

A given mass of air occupies 12 m2 at normal atmospheric pressure if the pressure is increased to 4 times the original value without changing the temperature what volume will the air occupy.

Question # 9

What is the minimum number of thermodynamic parameters required to specify the state of gas system.

Question # 10

The temperature which is the same in oC and oF is.

Question # 11

What is the SI unit for thermal conductivity.

Question # 12

If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.

Question # 13

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

Question # 14

The heat required to sublime one mole of the substance at standard temperature and pressure is called.

Question # 15

When ever a system is made to complete a cyclic process the work done during the complete cycle.

Question # 16

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

Question # 17

Which of the following is an example of irreversible process.

Question # 18

Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.

Question # 19

Why an even Carnot engine Carnot give 100% efficiency.

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 What is the represented by the area inside the Carnot cycle.
A. Heat taken to increase the body temperature.
B. Energy loss due to leakage
C. Useful work done
D. Heat rejected by the system
2 The specific heat capacity of the body depends upon.
A. the heat given to it
B. Mass of the body
C. Temperature raised
D. Material of the body
3 In four stroke cycle the crank makes
A. One complete revolution
B. Two complete revolutions
C. three complete revolutions
D. Four complete reveolutions
4 The transfer of thermal energy between regions of matter due to a temperature gradient is called.
A. Conduction
B. Radiation
C. Convection
D. Sublimation
5 During an adiabatic gas expansion the environment
A. Serves as a heat sink
B. Serves as a heat source
C. Must be at a higher temperature than the gas
D. Does not have to participate
6 To which law of thermodynamics, the concept of temperature is related to.
A. Zeroth law
B. First law
C. Second law
D. Third law
7 What happens to Carnot efficiency if the source temperature increases.
A. Decreases
B. Increases
C. Remain the same
D. Becomes zero
8 The SI unit of heat capacity is.
A. kg J
B. Kg J-1
C. J K-1
D. Kg J-1 K-1
9 Which statement about convection is correct.
A. Brownian motion is a form of convection
B. Convection occurs only in gas
C. Convection results from a density change
D. Evaporation is a form of convection
10 Which one of the following is an example of a reversible process.
A. Work done against friction
B. Heat produced by current
C. Melting of ice
D. See back effect

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