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

Difference between Cp and Cv is equal to

Question # 2

Which of the following is an example of irreversible process.

Question # 3

Law of increase of entropy is a result of

Question # 4

The heat required to sublime one mole of the substance at standard temperature and pressure is called.

Question # 5

What is the human body temperature in Celsius scale.

Question # 6

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

Question # 7

Change in which parameter determines the work done by a gas during adiabatic prcoess.

Question # 8

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

Question # 9

The specific heat capacity of a substance is the amount of heat required to.

Question # 10

When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.

Question # 11

When all the systems taking part in a process are included, the entropy.

Question # 12

The internal energy of an isolated system

Question # 13

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

Question # 14

The internal inertia of a thermodynamics system is known as.

Question # 15

If pressure and temperature of an ideal gas is doubled and volume is halved, the number of the gas molecules.

Question # 16

Why an even Carnot engine Carnot give 100% efficiency.

Question # 17

A sample of an ideal gas may i) energy adiabatically, or ii) Expand isothermally. the net flow of heat into the gas from the exterior is.

Question # 18

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

Question # 19

Gas law PV = constant is for

Question # 20

What is a thermal properly of a material that determines the quantity of energy required to change the phase of a unit mass of that substance.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 The internal energy of an isolated system
A. Is zero
B. Keeps on changing
C. Remains constant
D. Cannot be judged
3 The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.
A. The efficiency of the working substance of the engine
B. the ideal gas scale of temperature
C. The ratio of the absolute temperature of the reservoirs
D. The thermal capacity of the working substance
4 Difference between Cp and Cv is equal to
A. General gas constant
B. Planck's conatant
C. Molar gas constant
D. Boltzmann's constant
5 What is a measure of the total energy of a thermodynamics system.
A. Entropy
B. Enthalpy
C. Randomness
D. Chaos theory
6 On which of the following the kinetic theory of gases is not applicable.
A. Water vapour
B. Smoke particles
C. Bound particles
D. Free electrons
7 At the temperature of -273 oC. pressure of a gas at constant volume becomes zero This specific temperature is called.
A. Freezing point
B. Critical temperature
C. Absolute zero
D. Terminal point
8 If the gas pressure is increased then its mean free path becomes.
A. More
B. Zero
C. Infinite
D. Less
9 What is the minimum number of thermodynamic parameters required to specify the state of gas system.
A. 1
B. 2
C. 3
D. Infinite
10 The number of molecules or atoms in a specific volume of a gas is independent of their
A. Volume
B. Pressure
C. Size
D. Temperature

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