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

Diffusion of gases occurs because the molecules of the

Question # 2

In the free expansion of a perfect gas there is no.

Question # 3

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

Question # 4

What happen to entropy in an irreversible cycle.

Question # 5

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

Question # 6

How solid hydrogen is obtained.

Question # 7

Identify the irreversible process

Question # 8

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

Question # 9

The term used for heat capacity per unit mass is.

Question # 10

Which of the following parameters does not characterize the thermodynamic state of matter.

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

Absolute zero may be regarded as the temperature of which

Question # 13

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Question # 14

A heat engine can develop efficiency equal to 100% if the temperature of the sink is

Question # 15

What is the internal energy of a mono atomic ideal gas.

Question # 16

A heat engine with 100% efficiency would have to.

Question # 17

The zero point of Kelvin scale is called.

Question # 18

What is the triple point of water.

Question # 19

The temperature which is the same in oC and oF is.

Question # 20

When a liquid is hated retaining its liquid sate then its molecules gain.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A heat engine can develop efficiency equal to 100% if the temperature of the sink is
A. Less than that of source
B. Equal to that of source
C. 0 K
D. 0 oC
2 At absolute zero of temperature.
A. The molecular energy is zero
B. Molecules have translational K.E
C. Molecules have rotational K.E.
D. Molecules have maximum energy
3 A frictionless heat engine can be 100% efficient only if its exhaust temperature is
A. Equal to the input temperature
B. Less than the input temperature
C. 0 oC
D. 0 K
4 Absolute zero may be regarded as the temperature of which
A. Water freezes
B. All substances are solids
C. All gases become liquids
D. Molecular motioning a gas would ceases
5 Thermodynamics concern its primary with the
A. Measurement of quantity of heat
B. Physical effects of temperature changes
C. Conversion of heat into other energy forms
D. Behavior of gases
6 What is the human body temperature in Celsius scale.
A. 30 oc
B. 36. 9 oC
C. 98. 4 oC
D. 100 oC
7 Why an even Carnot engine Carnot give 100% efficiency.
A. We cannot find ideal sources
B. We cannot eliminate friction
C. We cannot reach absolute zero temperature
D. We cannot remove heat
8 Internal energy of a gas decreased when
A. It gains heat
B. Change in cycle
C. Change in adiatatic
D. Change in reversible
9 What is the necessary condition for Boyle's law to hold good.
A. Isothermal
B. Adiabatic
C. Isobaric
D. Isochoric
10 First law of thermodynamics is a
A. Boyle 's law
B. Charles' law
C. Law of energy conservation
D. Steffen Boltzmann law

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