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

Try The 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 free expansion of a gas. the internal energy of the system.

Question # 2

Temperature of a gas is related to.

Question # 3

The actual gas can behave like an ideal gas at

Question # 4

What kind of movement is dictated by the laws of thermodynamcis.

Question # 5

Which of the following phenomenon gives evidence of the molecular structure of mater

Question # 6

Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.

Question # 7

Net change in entropy of a system in a Carnot's cycle in

Question # 8

Which law states that if two systems are in thermal equilibrium with a third system they are also in the thermal equilibrium with each other.

Question # 9

Law of increase of entropy is a result of

Question # 10

Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0

Question # 11

The efficiency of Carnot engine is

Question # 12

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

Question # 13

When the temperature of source and sink of a heat engine become equal the entropy change will be.

Question # 14

Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.

Question # 19

If T1 and T2 are source and sink temperature respectively Carnot efficiency is.

Question # 20

Difference between Cp and Cv is equal to

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Mean free path of gas molecules in inversely proportional to its.
A. Weight
B. Temperature
C. Pressure
D. Volume
2 When the temperature of source and sink of a heat engine become equal the entropy change will be.
A. Zero
B. Maximum
C. Minimum
D. Negative
3 An ice making machine extracts energy at the rate of 500 W The specific latent heat of fusion of ice is 300 kj kg-1. How long does it take to freeze 2 kg of water at 0 oC.
A. 120 s
B. 150 s
C. 1200 s
D. 1500 s
4 The efficiency of a diesel engine is about
A. 15% to 35 5
B. 355 to 40%
C. 45% to 655
D. 505 to 65 %
5 How many calories of heat are required to evaporate completely 1 g of ice at 0 oC
A. 480 calories
B. 720 calories
C. 940 calories
D. 1170 calories
6 Which of the following is a thermodynamic temperature scale.
A. Celsius scale
B. Fahrenheit scale
C. Kelvin scale
D. Rankine scale
7 Which of the following is defined as the amount of heat required to raise the temperature of 1 g of water by 1 oC
A. Joule
B. BTO
C. Electron volt
D. Calorie
8 Which of the following is a non contacting device that intercepts and measures thermal radiation.
A. Thermometer
B. Pyrometer
C. Voltmeter
D. Lactometer
9 When ever a system is made to complete a cyclic process the work done during the complete cycle.
A. Is zero
B. Is negative
C. Is positive
D. Depends upon the path followed
10 The ration of Universal gas constant and Avogadro's number is called.
A. Equilibrium constant
B. Velocity constant
C. Boitzmann's constant
D. Gravitational constant

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