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

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

Under an isothermal process internal energy of the system.

Question # 2

Which one is the primary standard for temperature measurement.

Question # 3

If T1 and T2 are source and sink temperature respectively Carnot efficiency is.

Question # 4

The gas thermometer is taken as the primary standard because.

Question # 5

The specific heat of an ideal gas values as

Question # 6

In an isobaric process there is no.

Question # 7

Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.

Question # 8

Which of the following is an example of an irreversible process.

Question # 9

The product of mass and specific heat of a substance is called.

Question # 10

For which process is the relation Delta Q = Delta V true.

Question # 11

The pressure of a goas is directly proportion to

Question # 12

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

Question # 13

Which thermodynamic law state taht the entropy of a perfect system approaches zero.

Question # 14

In ideal gas equation PV = nRT , R is

Question # 15

On which parameter internal energy of an ideal gas depends upon.

Question # 16

Which of the following has maximum specific heat.

Question # 17

What is the total entropy change during an reversible cycle.

Question # 18

Efficiency of a Carnot engine depends on

Question # 19

In Isochoric process there is no

Question # 20

In the gas equation PV =nRT , V is the volume of.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which statement about convection is correct.
A. Brownian motion is a form of convection
B. Convection occurs only in gas
C. Convection results from a density change
D. Evaporation is a form of convection
2 Law of increase of entropy is a result of
A. First law of thermodynamics
B. Second law of thermodynamics
C. Third law of thermodynamics
D. Zeroth law of thermodynamics
3 Which of the following is the ideal gas equation.
A. PV -n RT
B. P/V = n RT
C. V/P = nR/T
D. PV = T/nR
4 Which following properties of molecules of a gas is same for all gases at a particular temperature.
A. Momentum
B. Mass
C. velocity
D. K.E.
5 The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.
A. The gases have the same internal energy
B. The gas molecules occupy equal volumes
C. The gas molecules have the same root mean square speed
D. The gas molecules have same mean translational K.E.
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.
A. Half
B. Three times
C. Double
D. Four times
7 Temperature of a gas is related to.
A. Total K.E. of the gas molecules
B. The K.E. of the centre of mass of the gas
C. The P.E. of the centre of mass of the gas
D. Total K.E. of the molecules w.r.t the centre of mass of gas
8 What happens to internal energy of a piece of lead when hammered.
A. Increases
B. Decreases
C. Remains unchanged
D. Becomes zero
9 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.
A. 3 cm3
B. 6 cm3
C. 9 cm3
D. 12 cm3
10 Which one of the following gases posses maximum oot mean square velocity.
A. Hydrogen
B. Oxygen
C. Nitrogen
D. Carbon dioxide

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