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

Gas law PV = constant is for

Question # 2

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.

Question # 3

The SI unit of heat capacity is.

Question # 4

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.

Question # 5

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 # 6

One calorie equals to

Question # 7

Which quantity must be the same for two bodies if they are to be in thermal equilibrium.

Question # 8

Mean free path of gas molecules is inversely proportional to its.

Question # 9

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 # 10

What is a measure of the total energy of a thermodynamics system.

Question # 11

The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to

Question # 12

A heat engine with 100% efficiency would have to.

Question # 13

The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is

Question # 14

From any substance the temperature and pressure at which the material can coexist in all three states in equilibrium is called.

Question # 15

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

Question # 16

The gas temperature is increased from 27 oC to 127 oC What is the ratio of mean kinetic energies.

Question # 17

An inflated tyre suddenly bursts As a result of this temperature of the surrounding

Question # 18

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

Question # 19

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

Question # 20

Why an even Carnot engine Carnot give 100% efficiency.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which of the following is an example of irreversible process.
A. Melting of ice
B. Work done against friction
C. Pettier heating and cooling
D. All isothermal and adiabatic changes
2 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
3 On what factor the internal energy of a thermodynamic system depend upon.
A. History
B. State
C. Process
D. Surroundings
4 If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.
A. Decreases
B. Remains constant
C. Increases
D. First increases then decreases
5 Gases exert pressure on walls of the vessels because gas molecules.
A. Possess momentum
B. Have finite volume
C. Collide with each other
D. Obey gas laws
6 Convention is the transfer of thermal energy by means of currents in
A. Pressure
B. Temperature
C. Liquids
D. Fluids
7 In which given process does the system always return to the original thermodynamic state.
A. Cyclic
B. Adiabatic
C. isothermal
D. Isobaric
8 Under steady state the temperature of a body
A. Increase's with time
B. Decreases with time
C. Does not charge with time
D. None of the above
9 Certain gas are called permanent gases because.
A. They cannot be liquified
B. They are perfect gases
C. The critical temperatures are low
D. their boiling points are low
10 The pressure necessary to liquify a gas at the critical temperature is called.
A. Normal pressure
B. Atmospheric pressure
C. Critical pressure
D. Liquid pressure

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