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

Thermodynamics concern its primary with the

Question # 2

Difference between Cp and Cv is equal to

Question # 3

How do solar heat and light reach the Earth.

Question # 4

The total gain in entropy of the working substance in a Carnot cycle is.

Question # 5

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 # 6

The internal energy of an isolated system

Question # 7

At the temperature of -273 oC. pressure of a gas at constant volume becomes zero This specific temperature is called.

Question # 8

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.

Question # 9

What happens to Carnot efficiency if the source temperature increases.

Question # 10

The mechanical equivalent of heat is.

Question # 11

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

Question # 12

An ideal engine can be 100% efficient only if its exhaust temperatute.

Question # 13

Absolute zero may be regarded as the temperature of which

Question # 14

The expression PV/KT represents.

Question # 15

The Fahrenheit and Kelvin scales intersect at

Question # 16

Thermodynamics deals with

Question # 17

A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is.

Question # 18

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

Question # 19

In four stroke cycle the crank makes

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume 50 x 10-3 The change internal energy of the gas is.
A. 500 J
B. 1000 J
C. -1000 J
D. Zero
2 How do solar heat and light reach the Earth.
A. By radiation
B. By convection
C. By conduction
D. By conduction and convection
3 Pressure of a gas depends upon
A. Only on the molecular speed
B. Only on the speed of molecules on a unit volume
C. Only on the mass of molecules
D. Number of molecules mass and speed in a unit volume
4 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
5 The specific heat capacity of the body depends upon.
A. the heat given to it
B. Mass of the body
C. Temperature raised
D. Material of the body
6 In the gas equation PV =nRT , V is the volume of.
A. 1 g of gas
B. 1 L of gas
C. 1 mol of gas
D. 1 kg of gas
7 Which one is the primary standard for temperature measurement.
A. Resistance thermometer
B. Mercury in glass thermometer
C. Constant volume gas thermometer
D. Pyrometer
8 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.
9 Which of the following is an example of an irreversible process.
A. Isothermal and adiabatic process
B. Melting of ice
C. Work done against friction
D. Pettier effect
10 Which of the following should not change in an Isothermal process.
A. Volume
B. Pressure
C. Temperature
D. All of these

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