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

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

Question # 2

A heat engine with 100% efficiency would have to

Question # 3

Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0

Question # 4

What is the amount of mechanical work done to melt 1 g of ic completely

Question # 5

Contrivances for converting heat into work are called.

Question # 6

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

Question # 7

Difference between the molar heat capacity constant pressure and that a constant volume is equal to

Question # 8

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

Question # 9

In which thermodynamic process enthalpy of the system remains constant.

Question # 10

A Carnot engine has the same efficiency between (i) 100 K and 500 K and ii) T and 900 K What will be T.

Question # 11

A given mass of air occupies 12 m2 at normal atmospheric pressure if the pressure is increased to 4 times the original value without changing the temperature what volume will the air occupy.

Question # 12

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

Question # 13

The heat required to sublime one mole of the substance at standard temperature and pressure is called.

Question # 14

Under an isothermal process internal energy of the system.

Question # 15

When all the systems taking part in a process are included, the entropy.

Question # 16

If volume of the gas doubled without changing its temperature the pressure of the gas is

Question # 17

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 # 18

The pressure of a goas is directly proportion to

Question # 19

The efficiency of a diesel engine is about

Question # 20

In free expansion of a gas. the internal energy of the system.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which gas strictly obeys gas laws.
A. Hydrogen gas
B. Inert gas
C. Ideal perfect gas
D. Helium gas
2 The kinetic molecular model of matter describe matter an being made up of molecules in continuous.
A. Vibratory motion
B. Random motion
C. rotatory motion
D. Linear motion
3 When the temperature of a body is equal to that of the surrounding then the body appears
A. Dull black
B. Red hot
C. In thermal equilibrium
D. To be cold
4 Which of the following is a clinical thermometer.
A. Gas thermometer
B. Mercury thermometer
C. Alcohol thermometer
D. Radiation thermometer
5 Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.
A. Conduction or diffusion
B. Convection
C. Radiation
D. Mass transfer
6 Mean free path of gas molecules in inversely proportional to its.
A. Weight
B. Temperature
C. Pressure
D. Volume
7 Which of the following has maximum specific heat.
A. Glass
B. Iron
C. Brass
D. Lead
8 Which quantity is common for systems in thermal equilibrium.
A. Heat
B. Temperature
C. Momentum
D. Specific heat
9 If a gas does 10 J of external work white expanding then the change in internal energy is equal to.
A. 0 J
B. 10 J
C. -10 J
D. 100 J
10 The gas thermometer is taken as the primary standard because.
A. Thermometers are easily reproducible
B. Readings can be accurately taken
C. No correction are necessary
D. It produces he thermodynamic scale

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