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

Difference between Cp and Cv is equal to

Question # 2

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

Question # 3

The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.

Question # 4

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

Question # 5

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

Question # 6

Identify the irreversible process

Question # 7

Gas law PV = constant is for

Question # 8

Which of the following should not change in isothermal operation.

Question # 9

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

Question # 10

In four stroke cycle the crank makes

Question # 11

Certain gas are called permanent gases because.

Question # 12

Mean free path of gas molecules is inversely proportional to its

Question # 13

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

Question # 14

Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.

Question # 15

How do solar heat and light reach the Earth.

Question # 16

In ideal gas equation PV = nRT , R is

Question # 17

Significant motion for the molecules of a monoatomic gas is.

Question # 18

A mercury thermometer has

Question # 19

Which of the following is an example of an irreversible process.

Question # 20

Because of second law of thermodynamics about the direction of energy flow what is possible.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The base unit of temperature in SI is
A. Fahrenheit
B. Celsius
C. Kelvin
D. Rnakine
2 What happens to Carnot efficiency if the source temperature increases.
A. Decreases
B. Increases
C. Remain the same
D. Becomes zero
3 Which of the following devoices are used for measuring temperature.
A. Thermocouples
B. Thermistors
C. Thermometers
D. All of these
4 One calorie equals to
A. 1.2 J
B. 2.2 J
C. 3.2 J
D. 4.2 J
5 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
6 The ideal thermal efficiency of a cyclic heat engine is limited by
A. Friction in the engine
B. Amount of heat in the engine
C. Difference between input temperature and output temperature.
D. Amount of work
7 How does heat transfer between objects.
A. From cold to hot objects
B. From hot to cold objects
C. By electromagnetic radiations
D. From hotter to hottest objects.
8 Mean free path of gas molecules in inversely proportional to its.
A. Weight
B. Temperature
C. Pressure
D. Volume
9 The pressure of a gas is directly proportions to
A. Mean velocity of the molecules
B. Mean square velocity of the molecules
C. Root mean square velocity of the molecules
D. Instantaneous velocity of the molecules
10 What should be the shape of an ideal thermometer.
A. Sphereical
B. Cubical
C. Cylindrical
D. Rectangular

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