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

In a vacuum flask the vacuum prevents heat transfer by

Question # 2

The process in which a system undergoes a change of state at constant volume.

Question # 3

The pressure necessary to liquify a gas at the critical temperature is called.

Question # 4

Triple point of water in Kelvin scale is

Question # 5

No entropy change is associated with

Question # 6

To which law of thermodynamics, the concept of temperature is related to.

Question # 7

The pressure of a goas is directly proportion to

Question # 8

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

Question # 9

The practical efficiency of a heat engine is

Question # 10

The Fahrenheit and Kelvin scales intersect at

Question # 11

A mercury thermometer has

Question # 12

The thermal inertia of a thermodynamic system is known as its.

Question # 13

What is the average K.E. of gas molecules at temperature equal to K.

Question # 14

Which statement about convection is correct.

Question # 15

A heat engine with 100% efficiency would have to

Question # 16

Mean free path in a gas is the

Question # 17

Which of the following is standard scale of temperature

Question # 18

Gases exert pressure on walls of the vessels because gas molecules.

Question # 19

The efficiency of Carnot engine is

Question # 20

The pressure of a gas is directly proportions to

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A Carnot engine can be 100% efficient of the sink is at.
A. 0 k
B. 0 oF
C. 0 oC
D. 273 K
2 The term used for heat capacity per unit mass is.
A. Latent heat
B. Specific heat
C. Energy density
D. Specific energy
3 How much lce will melt by 50,000 J of heat.
A. 120 J
B. 130 g
C. 140 J
D. 150 g
4 When the temperature of a body is equal to that of the surrounding then the body appears
A. Dull black
B. Red hot
C. In thermal equilibrium
D. To be cold
5 When heat a supplied to a metallic sphere which one of the following changes will occur.
A. the mass of the sphere increases
B. The volume of the sphere increases
C. The density of the sphere increases
D. The internal energy of the sphere increases
6 Which of the following is a clinical thermometer.
A. Gas thermometer
B. Mercury thermometer
C. Alcohol thermometer
D. Radiation thermometer
7 What is the internal energy of a mono atomic ideal gas.
A. Potential only
B. Parity kinetic and parity potential
C. Kinetic only
D. Neither kinetic nor potential
8 The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.
A. The efficiency of the working substance of the engine
B. the ideal gas scale of temperature
C. The ratio of the absolute temperature of the reservoirs
D. The thermal capacity of the working substance
9 Which thermodynamic law state taht the entropy of a perfect system approaches zero.
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
10 In an isochoric process.
A. Volume changes
B. Pressure changes
C. Temperature changes
D. Volume remains constant

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