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

If the specific latent heat of vaporization of oxygen is 214 kJ kg-1 how much heat will be absorbed when 3.0 kg of oxygen is boiled off at its boiling point.

Question # 2

Woolen clothing a effective in keeping us warm because.

Question # 3

What makes the air coming out of a punctured tyre cool.

Question # 4

The gas thermometer is taken as the primary standard because.

Question # 5

If the number of gas molecules in a cubical vessel is increase from N to 3 N then its pressure and total energy will be.

Question # 6

During solid ficain the temperature.

Question # 7

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

Question # 8

If T1 and T2 are source and sink temperature respectively Carnot efficiency is.

Question # 9

The pressure of a gas is directly proportions to

Question # 10

How do solar heat and light reach the Earth.

Question # 11

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

Question # 12

The expression PV/KT represents.

Question # 13

If temperature of the sink is decreased the efficiency of a Carnot engine

Question # 14

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

Question # 15

Thermodynamics concern its primary with the

Question # 16

When the temperature of source and sink of a heat engine become equal the entropy change will be.

Question # 17

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

Question # 18

Which quantity is common for systems in thermal equilibrium.

Question # 19

The number of molecules or atoms in a specific volume of a gas is independent of their

Question # 20

A heat engine with 100% efficiency would have to.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The phenomenon of Brownian motion shows that
A. Molecules exist and can be seen as bright dots moving about
B. Molecules moves about randomly at highs speeds
C. Smoke particles behaves as molecules
D. Smoke particles can be used as models of air molecues.
2 How many calories of heat are required to evaporate completely 1 g or ice at 0 oC
A. 120 calories
B. 520 calories
C. 720 calories
D. 920 calories
3 The total gain in entropy of the working substance in a Carnot cycle is.
A. Positive
B. Negative
C. Infinite
D. Constant
4 To which law of thermodynamics, the concept of temperature is related to.
A. Zeroth law
B. First law
C. Second law
D. Third law
5 Which of the following has maximum specific heat.
A. Glass
B. Iron
C. Brass
D. Lead
6 What is the represented by the area inside the Carnot cycle.
A. Heat taken to increase the body temperature.
B. Energy loss due to leakage
C. Useful work done
D. Heat rejected by the system
7 On what factor the internal energy of a thermodynamic system depend upon.
A. History
B. State
C. Process
D. Surroundings
8 If T1 and T2 are source and sink temperature respectively Carnot efficiency is.
A. T1+T2/T1
B. T1-T2/T1
C. T1+T2/T2
D. T1-T2/T2
9 First law of thermodynamics is a
A. Boyle 's law
B. Charles' law
C. Law of energy conservation
D. Steffen Boltzmann law
10 The actual gas can behave like an ideal gas at
A. Low density and high pressure
B. High density and high pressure
C. Low density and low pressure
D. High density and low pressure

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