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

Gases exert pressure on walls of the vessels because gas molecules.

Question # 2

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

Question # 3

Efficiency of a Carnot engine depends on

Question # 4

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 # 5

The ration of Universal gas constant and Avogadro's number is called.

Question # 6

How many calories of heat are required to evaporate completely 1 g of ice at 0 oC

Question # 7

Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.

Question # 8

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

Question # 9

The gas thermometer is taken as the primary standard because.

Question # 10

According to kinetic theory of gases one assumes that the collisions between molecules are.

Question # 11

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

Question # 12

In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.

Question # 13

Diffusion of gases occurs because the molecules of the

Question # 14

The internal energy of an isolated system

Question # 15

How solid hydrogen is obtained.

Question # 16

The product of mass and specific heat of a substance is called.

Question # 17

A heat engine with 100% efficiency would have to.

Question # 18

Pressure of a gas depends upon

Question # 19

Which of the following thermometers is the most suitable for measuring rapidly varying temperature.

Question # 20

What is the human body temperature in Celsius scale.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A Carnot engine can be 100% efficient of the sink is at.
A. 0 k
B. 0 oF
C. 0 oC
D. 273 K
2 The ratio of specific heat capacity to motor heat capacity of a body
A. Is a universals cantante
B. Depends upon the mass of the body
C. Depends upon the molecular weight of the body
D. Is dimensionless
3 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
4 The change in entropy for any reversible cycle is identically
A. Infinite
B. Positive
C. Negative
D. Zero
5 The follow of heat from hot body to cold body is an example of
A. Adiabatic process
B. Isothermal process
C. Reversible process
D. Irreversible process
6 A diatomic gas contains only
A. Translational K.E.
B. Rotational K.E.
C. Vibrational K.E.
D. All of these
7 The total gain in entropy of the working substance in a Carnot cycle is.
A. Positive
B. Negative
C. Infinite
D. Constant
8 A cup of coffee at 80 oC is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.
A. 0.04 kJ
B. 100 KJ
C. 60 kJ
D. 160 kJ
9 Which gas strictly obeys gas laws.
A. Hydrogen gas
B. Inert gas
C. Ideal perfect gas
D. Helium gas
10 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

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