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

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

Question # 2

Contrivances for converting heat into work are called.

Question # 3

Identify the irreversible process

Question # 4

Pressure of a gas depends upon

Question # 5

Significant motion for the molecules of a monoatomic gas is.

Question # 6

Which kind of motion is exhibited by molecules of monoatomic gas.

Question # 7

Woolen clothing a effective in keeping us warm because.

Question # 8

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 9

What happens to Carnot efficiency if the source temperature increases.

Question # 10

A heat engine with 100% efficiency would have to

Question # 11

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

Question # 12

Heat Carnot be transferred from a colder to a hotter region unless work is done This is the statement of.

Question # 13

The process in which no heat enters or leaves the system is called.

Question # 14

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

Question # 15

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

Question # 16

Diffusion of gases occurs because the molecules of the

Question # 17

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

Question # 18

In general work done on or by a gas depends on.

Question # 19

On increasing the temperature of source efficiency of Carnot engine.

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 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.
2 Which of the following gases has the maximum rms speed at STP.
A. O2
B. H2
C. N2
D. CO2
3 Which of the following can be used visualize the third law thermodynamics
A. Light
B. Heat
C. Water
D. All of these
4 Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.
A. 0 K
B. 100 K
C. 273 K
D. 373 K
5 The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is
A. Oxygen gas
B. Nitrogen gas
C. Mono atomic gas
D. Dia atomic gas
6 Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.
A. Charles law
B. Avogadro's
C. Boyles law
D. Boizmann law
7 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.
8 The base unit of temperature in SI is
A. Fahrenheit
B. Celsius
C. Kelvin
D. Rnakine
9 What is world's average surface air temperature.
A. 5 oC
B. 10 oC
C. 15 oC
D. 20 oC
10 If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.
A. Decreases
B. Remains constant
C. Increases
D. First increases then decreases

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