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

The specific heat of an ideal gas values as

Question # 2

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

Question # 3

A mercury thermometer has

Question # 4

Certain gas are called permanent gases because.

Question # 5

The ration Cv/Cp = y for a diatomic gas like air is

Question # 6

If the number of gas molecules in a cubical vessel is increase from N to 3 N then its pressure and total energy will be.

Question # 7

The process in which pressure of the system remains constant.

Question # 8

A heat engine with 100% efficiency would have to

Question # 9

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

Question # 10

A mercury in glass thermometer and thermocouple thermometer are both calibrated using the same fixed point of 0 oC and 100 oc when both temperature are used to measure the temperature of a body the temperature measured on both thermometers will be exactly the same

Question # 11

Contrivances for converting heat into work are called.

Question # 12

Which of the following gases has the maximum rms speed at STP.

Question # 13

Significant motion for the molecules of a monoatomic gas is.

Question # 14

When a solid is melting the temperature remains constant even through heat is being supplied because the

Question # 15

In which given process does the system always return to the original thermodynamic state.

Question # 16

The law of equation of energy is applicable to the system whose constituents are.

Question # 17

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

Question # 18

Specific heat a different substances varies becouse of

Question # 19

At absolute zero of temperature.

Question # 20

A heat engine can develop efficiency equal to 100% if the temperature of the sink is

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Woolen clothing a effective in keeping us warm because.
A. An trapped int he wool acts as an insulator
B. Heat loss by convection and radiation is prevented
C. Wool is bad traciator and good absorber of heat
D. Wool can retain high temperatures
2 What makes the air coming out of a punctured tyre cool.
A. Isothermal expansion
B. Adiabatic expension
C. Flow at high speed
D. Atmospheric pressure
3 Which of the following can be used visualize the third law thermodynamics
A. Light
B. Heat
C. Water
D. All of these
4 What happens to internal energy of a piece of lead when hammered.
A. Increases
B. Decreases
C. Remains unchanged
D. Becomes zero
5 A frictionless heat engine can be 100% efficient only if its exhaust temperature is
A. Equal to the input temperature
B. Less than the input temperature
C. 0 oC
D. 0 K
6 What is a thermal properly of a material that determines the quantity of energy required to change the phase of a unit mass of that substance.
A. Specific heat
B. Latent heat
C. Internal energy
D. Specific energy
7 What is the represented by the area inside the Carnot cycle.
A. Heat taken to increase the body temperature.
B. Energy loss due to leakage
C. Useful work done
D. Heat rejected by the system
8 The follow of heat from hot body to cold body is an example of
A. Adiabatic process
B. Isothermal process
C. Reversible process
D. Irreversible process
9 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
10 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

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