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

A heat engine with 100% efficiency would have to.

Question # 2

When a solid is melting the temperature remains constant even through heat is being supplied because the

Question # 3

The pressure of a gas is directly proportions to

Question # 4

The mechanical equivalent of heat is.

Question # 5

Advantage of using gases as thermornetic substrates is taht

Question # 6

Which of the following pairs represent units of the same physical quantity.

Question # 7

To which law of thermodynamics, the concept of temperature is related to.

Question # 8

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

Question # 9

The internal energy of an isolated system

Question # 10

The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.

Question # 11

A perfect gas is one whose

Question # 12

Triple point of water in Kelvin scale is

Question # 13

How does heat transfer between objects.

Question # 14

Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0

Question # 15

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

Question # 16

Because of second law of thermodynamics about the direction of energy flow what is possible.

Question # 17

Which gas strictly obeys gas laws.

Question # 18

Which of the following is an example of irreversible process.

Question # 19

What is the total entropy change during an reversible cycle.

Question # 20

What kind of movement is dictated by the laws of thermodynamcis.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In ideal gas equation PV = nRT , R is
A. Universal gas constant
B. Avogadro's number
C. Plank's constant
D. Gravitational constant
2 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity
3 The pressure of a gas is directly proportions to
A. Mean velocity of the molecules
B. Mean square velocity of the molecules
C. Root mean square velocity of the molecules
D. Instantaneous velocity of the molecules
4 The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to
A. The specific heat
B. The specific thermal energy
C. The specific heat at constant pressure
D. the internal energy of the gas
5 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.
6 How solid hydrogen is obtained.
A. By cascade process
B. By joule kelvin effect
C. By adiabatic expansion
D. Lowering temperature below melting point
7 The law of equation of energy is applicable to the system whose constituents are.
A. At rest
B. In orderly motion
C. in random motion
D. Moving at constant speed
8 What is the total entropy change during an reversible cycle.
A. Unity
B. Infinite
C. Zero
D. Cannot be detected
9 The change in entropy for any reversible cycle is identically
A. Infinite
B. Positive
C. Negative
D. Zero
10 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

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