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

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Question # 1

Gas exert pressure on walls of the visual because gas molecules.

Question # 2

During an adiabatic gas expansion the environment

Question # 3

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

Question # 4

Which one is the primary standard for temperature measurement.

Question # 5

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 # 6

Which of the following gases has the maximum rms speed at STP.

Question # 7

When the temperature of a body is equal to that of the surrounding then the body appears

Question # 8

At the temperature of -273 oC. pressure of a gas at constant volume becomes zero This specific temperature is called.

Question # 9

The process is which volume of the system remains constant.

Question # 10

The process in which pressure of the system remains constant.

Question # 11

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

Question # 12

The actual gas can behave like an ideal gas at

Question # 13

The efficiency of Carnot engine is

Question # 14

Which of the given geometries will result in the largest convection consfficient.

Question # 15

If two gases have same reduced pressure volume and temperature it is according to

Question # 16

What is the total entropy change during an reversible cycle.

Question # 17

Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.

Question # 18

The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.

Question # 19

Which of the following should not change in isothermal operation.

Question # 20

Which one of the following temperature scales is independent of the properties of any particular substance.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.
A. An increase in pressure
B. An increase in temperature
C. A change in phase
D. A change in entropy
2 The internal energy of monoatomic gas is.
A. 3/2 RT
B. Independent of temperature
C. In the form of K.E.
D. Partially kinetic and partially potential
3 An ideal engine can be 100% efficient only if its exhaust temperatute.
A. Equal to input temperature
B. Less than is input temperature
C. More than its input temperature
D. 0 oC
4 Net change in entropy of a system in a Carnot's cycle in
A. Positive
B. Negative
C. Zero
D. Infinite
5 The temperature which is the same in oC and oF is.
A. -20
B. -40
C. 20
D. 40
6 Which of the following is the science of measuring the heat of chemical reactions or physical changes.
A. Thermometry
B. Calorimetry
C. Telemetry
D. Photometry
7 When the temperature of source and sink of a heat engine become equal the entropy change will be.
A. Zero
B. Maximum
C. Minimum
D. Negative
8 The gas temperature is increased from 27 oC to 127 oC What is the ratio of mean kinetic energies.
A. 3/4
B. 4/3
C. 9/10
D. 10/9
9 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
10 Triple point of water in Kelvin scale is
A. 0 K
B. 100 K
C. 273 .15 K
D. 373.15 K

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