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

00:00
Question # 1

The internal energy of monoatomic gas is.

Question # 2

At absolute zero of temperature.

Question # 3

Pressure of a gas depends upon

Question # 4

What is world's average surface air temperature.

Question # 5

Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.

Question # 6

Under an isothermal process internal energy of the system.

Question # 7

The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.

Question # 8

Which of the following is a non contacting device that intercepts and measures thermal radiation.

Question # 9

When ever a system is made to complete a cyclic process the work done during the complete cycle.

Question # 10

What is the SI unit for thermal conductivity.

Question # 11

The average K.E. of the molecules of an ideal gas in a closed rigid container is increased by a factor of 4 What happen to the pressure of the gas.

Question # 12

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

Question # 13

How do solar heat and light reach the Earth.

Question # 14

Entropy of universe is increasing day by da due to.

Question # 15

How much lce will melt by 50,000 J of heat.

Question # 16

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 # 17

Which of the following is a thermodynamic potential

Question # 18

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

Question # 19

The follow of heat from hot body to cold body is an example of

Question # 20

If temperature of the sink is decreased the efficiency of a Carnot engine

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The internal energy of an isolated system
A. Is zero
B. Keeps on changing
C. Remains constant
D. Cannot be judged
2 The process in which pressure of the system remains constant.
A. Isothermal process
B. Isochoric process
C. Isobaric process
D. Adiabatic process
3 The phenomenon of Brownian motion shows that
A. Molecules exist and can be seen as bright dots moving about
B. Molecules moves about randomly at highs speeds
C. Smoke particles behaves as molecules
D. Smoke particles can be used as models of air molecues.
4 If the pressure of a gas is doubled, then its thermal conductivity will
A. Increases
B. Decreases
C. Remain constant
D. Be zero
5 Difference between Cp and Cv is equal to
A. General gas constant
B. Planck's conatant
C. Molar gas constant
D. Boltzmann's constant
6 When a hot liquid is mixed with a cold liquid temperature of the mixture.
A. First decreases and then becomes constant
B. First increases and then becomes constant
C. Continuously decreaes
D. Is undefined for some time and then nearly becomes constant
7 Which of the following is a thermodynamic temperature scale.
A. Celsius scale
B. Fahrenheit scale
C. Kelvin scale
D. Rankine scale
8 The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.
A. 20%
B. 30%
C. 35%
D. 40%
9 Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiabatic process
10 In four stroke cycle the crank makes
A. One complete revolution
B. Two complete revolutions
C. three complete revolutions
D. Four complete reveolutions

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