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

Which of the following has negative specific heat

Question # 2

Mean free path in a gas is the

Question # 3

On increasing the temperature of source efficiency of Carnot engine.

Question # 4

Advantage of using gases as thermornetic substrates is taht

Question # 5

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

Question # 6

What is world's average surface air temperature.

Question # 7

Which of the following has maximum specific heat.

Question # 8

What happens to Carnot efficiency if the source temperature increases.

Question # 9

Gas law PV = constant is for

Question # 10

The behavior of the gases that can be easily liquefied is like that of the.

Question # 11

In which thermodynamic process enthalpy of the system remains constant.

Question # 12

A diatomic gas contains only

Question # 13

Identify the irreversible process

Question # 14

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

Question # 15

In which temperature range water decreases in volume with increasing temperature.

Question # 16

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

Question # 17

Woolen clothing a effective in keeping us warm because.

Question # 18

What is the triple point of water.

Question # 19

What type of process is the Carnot's cycle.

Question # 20

The specific heat of a substance is a function of its

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which quantity must be the same for two bodies if they are to be in thermal equilibrium.
A. Internal energy
B. P.E
C. Temperature
D. Mass
2 Gases exert pressure on walls of the vessels because gas molecules.
A. Possess momentum
B. Have finite volume
C. Collide with each other
D. Obey gas laws
3 The specific heat capacity of a substance is the amount of heat required to.
A. Raise its temperature by 1 K
B. Raise the temperature of 1 kg of the substance by 1 K
C. Melt 1 kg of the substance
D. Boil 1 kg of the substance
4 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
5 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.
A. They are equally efficient
B. A is less efficient than B
C. a is more efficient than B
D. Their efficiencies cannot be determined
6 Advantage of using gases as thermornetic substrates is taht
A. Gases have a small coefficient of expansion
B. Expansion of gases is irregular
C. Gases can be obtained in pure form
D. Gases have a large coefficient of expansion.
7 Absolute zero may be regarded as the temperature of which
A. Water freezes
B. All substances are solids
C. All gases become liquids
D. Molecular motioning a gas would ceases
8 The base unit of temperature in SI is
A. Fahrenheit
B. Celsius
C. Kelvin
D. Rnakine
9 If pressure and temperature of an ideal gas is doubled and volume is halved, the number of the gas molecules.
A. Become half
B. Remain constant
C. Become double
D. Become three times
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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