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

  • Total Questions20

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

A perfect gas is one whose

Question # 2

No entropy change is associated with

Question # 3

Which one of the following gases posses maximum oot mean square velocity.

Question # 4

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

Question # 5

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

Question # 6

The ration of Universal gas constant and Avogadro's number is called.

Question # 7

The specific heat of a substance is a function of its

Question # 8

Which of the following has maximum specific heat.

Question # 9

Which thermometer is called sprint thermometer

Question # 10

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

Question # 11

Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.

Question # 12

How do solar heat and light reach the Earth.

Question # 13

If two gases have same reduced pressure volume and temperature it is according to

Question # 14

The process is which volume of the system remains constant.

Question # 15

Which of the following is defined as the amount of heat required to raise the temperature of 1 g of water by 1 oC

Question # 16

The ideal thermal efficiency of a cyclic heat engine is limited by

Question # 17

When the temperature of a body is equal to that of the surrounding then the body appears

Question # 18

Which of the given geometries will result in the largest convection consfficient.

Question # 19

Specific heat a different substances varies becouse of

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is.
A. Five times as much as mercury
B. Ten times as much as mercury
C. Twenty times as much as mercury
D. Hundred times as much as mercury
2 In the free expansion of a perfect gas there is no.
A. work done
B. Heat exchnged
C. Internal energy changed
D. All of the above
3 Which of the following devoices are used for measuring temperature.
A. Thermocouples
B. Thermistors
C. Thermometers
D. All of these
4 Why an even Carnot engine Carnot give 100% efficiency.
A. We cannot find ideal sources
B. We cannot eliminate friction
C. We cannot reach absolute zero temperature
D. We cannot remove heat
5 The total gain in entropy of the working substance in a Carnot cycle is.
A. Positive
B. Negative
C. Infinite
D. Constant
6 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
7 If the temperature of the source and sink are increased by same amount the efficiency of the engine.
A. Increases
B. Decreases
C. Remains unchanged
D. May increases of decrease
8 Which of the following phenomenon gives evidence of the molecular structure of mater
A. Evaporation
B. Diffusion
C. Brownian movement
D. All of the above
9 Identify the irreversible process
A. Explosion of a bomb
B. Slow expansion of a gas
C. Slow compression of a gas
D. Slow compression of an eleastic spring
10 A heat engine with 100% efficiency would have to
A. Do no work
B. Be at a uniform temperature
C. Use no heat
D. Discharge at 0 oC

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