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

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 # 2

Which of the following pairs represent units of the same physical quantity.

Question # 3

A cup of coffee at 80 oC is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.

Question # 4

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

Question # 5

Absolute zero may be regarded as the temperature of which

Question # 6

In general work done on or by a gas depends on.

Question # 7

Identify the irreversible process

Question # 8

The mechanical equivalent of heat

Question # 9

On which temperature scale a degree is 1/180 of the interval between the freezing point and the boiling point.

Question # 10

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

Question # 11

Which of the following parameters does not characterize the thermodynamic state of matter.

Question # 12

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 13

What is the SI unit for thermal conductivity.

Question # 14

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 # 15

The process in which pressure of the system remains constant.

Question # 16

Which of the following is an example of irreversible process.

Question # 17

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

Question # 18

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 # 19

If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which thermometer is called sprint thermometer
A. Alcohol thermometer
B. Mercury in glass thermometer
C. Gas thermometer
D. Radiation thermometer
2 Which of the following pairs represent units of the same physical quantity.
A. Kelvin and joule
B. Kelvin and calrorie
C. Newton and calorie
D. Joule and calorie
3 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity
4 The number of molecules or atoms in a specific volume of a gas is independent of their
A. Volume
B. Pressure
C. Size
D. Temperature
5 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
6 When a solid is melting the temperature remains constant even through heat is being supplied because the
A. Heat is being used to break up the intermolecular bonds
B. Solid is not absorbing any heat
C. Molecules are moving faster
D. Molecules are farther a part
7 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
8 Convention is the transfer of thermal energy by means of currents in
A. Pressure
B. Temperature
C. Liquids
D. Fluids
9 The zero point of Kelvin scale is called.
A. Critical point
B. Terminal point
C. Absolute zero
D. Mid point
10 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

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