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

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

Question # 2

A perfect gas is one whose

Question # 3

Temperature of a gas is related to.

Question # 4

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

Question # 5

What is a measure of the total energy of a thermodynamics system.

Question # 6

Contrivances for converting heat into work are called.

Question # 7

In general work done on or by a gas depends on.

Question # 8

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

Question # 9

A Carnot engine can be 100% efficient of the sink is at.

Question # 10

In an isochoric process.

Question # 11

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

Question # 12

If temperature of the sink is decreased the efficiency of a Carnot engine

Question # 13

The internal inertia of a thermodynamics system is known as.

Question # 14

Why freezer a refrigerator is located in the top section

Question # 15

Significant motion for the molecules of a monoatomic gas is.

Question # 16

Heat Carnot be transferred from a colder to a hotter region unless work is done This is the statement of.

Question # 17

If the gas pressure is increased then its mean free path becomes.

Question # 18

The law of equation of energy is applicable to the system whose constituents are.

Question # 19

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 20

The pressure of a goas is directly proportion to

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.
A. An increase in pressure
B. An increase in temperature
C. A change in phase
D. A change in entropy
3 What type of process is the Carnot's cycle.
A. Reversible
B. Irreversible
C. Neither reversible nor irreversible
D. May be reversible or irreversible
4 The SI unit of heat capacity is.
A. kg J
B. Kg J-1
C. J K-1
D. Kg J-1 K-1
5 What is the amount of mechanical work done to melt 1 g of ic completely
A. 4.2 J
B. 42 J
C. 80 J
D. 336 J
6 In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.
A. A gas engine
B. Adiabatic
C. Reversible
D. A refrigerator
7 What makes the air coming out of a punctured tyre cool.
A. Isothermal expansion
B. Adiabatic expension
C. Flow at high speed
D. Atmospheric pressure
8 What is the mean free path in a gas.
A. The distance travelled by a molecule before hitting a wall
B. the average distance travelled by a molecule in one second
C. the average distance travelled by molecules in one second
D. The root mean square velocity
9 What is the minimum number of thermodynamic parameters required to specify the state of gas system.
A. 1
B. 2
C. 3
D. Infinite
10 Difference between the molar heat capacity constant pressure and that a constant volume is equal to
A. Root mean square velocity
B. Mean free path
C. Boltzmann's constant
D. Universal gas constant

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