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

The pressure of a gas is directly proportions to

Question # 2

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

Question # 3

What happens to Carnot efficiency if the source temperature increases.

Question # 4

What is the average K.E. of gas molecules at temperature equal to K.

Question # 5

The internal energy of monoatomic gas is.

Question # 6

What is the mean free path in a gas.

Question # 7

Which of the following measures how quickly the thermometer liquid mainly because it

Question # 8

On which parameter, the heat capacity of a material depends upon.

Question # 9

Absolute zero may be regarded as the temperature of which

Question # 10

Which gas strictly obeys gas laws.

Question # 11

Gas law PV = constant is for

Question # 12

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 # 13

If the pressure of a gas is doubled, then its thermal conductivity will

Question # 14

The transfer of thermal energy between regions of matter due to a temperature gradient is called.

Question # 15

Which one is the primary standard for temperature measurement.

Question # 16

The efficiency of Carnot engine is

Question # 17

Efficiency of a Carnot engine depends on

Question # 18

Significant motion for the molecules of a monoatomic gas is.

Question # 19

Law of increase of entropy is a result of

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The product of mass and specific heat of a substance is called.
A. Latent heat
B. Water equivalent
C. Atomic heat
D. Heat capacity
2 What happen to entropy in an irreversible cycle.
A. No gain in entropy
B. No change in entropy
C. Loss of entropy
D. A net gain of entropy
3 In which given process does the system always return to the original thermodynamic state.
A. Cyclic
B. Adiabatic
C. isothermal
D. Isobaric
4 The term used for heat capacity per unit mass is.
A. Latent heat
B. Specific heat
C. Energy density
D. Specific energy
5 In the free expansion of a perfect gas there is no.
A. work done
B. Heat exchnged
C. Internal energy changed
D. All of the above
6 No entropy change is associated with
A. Isothermal process
B. Adiabatic process
C. Isochoric process
D. Isoteric process
7 Which of the following has maximum specific heat.
A. Glass
B. Iron
C. Brass
D. Lead
8 A given quantity of an ideal gas is at pressure P and temperature T What is the isothermal bulk modulus of the gas.
A. 2/3 P
B. P
C. 2P
D. 3/2 P
9 The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.
A. 173 K
B. 931 K
C. 1073 K
D. 1193 K
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.
A. 90 K
B. 100 K
C. 180 K
D. 200 K

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