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

If a gas does 10 J of external work white expanding then the change in internal energy is equal to.

Question # 2

Gas exert pressure on walls of the visual because gas molecules.

Question # 3

Efficiency of a Carnot engine depends on

Question # 4

The actual gas can behave like an ideal gas at

Question # 5

How do solar heat and light reach the Earth.

Question # 6

In an isobaric process there is no.

Question # 7

A Carnot engine has the same efficiency between (i) 100 K and 500 K and ii) T and 900 K What will be T.

Question # 8

The ideal thermal efficiency of a cyclic heat engine is limited by

Question # 9

The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.

Question # 10

If two gases have same reduced pressure volume and temperature it is according to

Question # 11

What happen to entropy in an irreversible cycle.

Question # 12

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

Question # 13

The behavior of the gases that can be easily liquefied is like that of the.

Question # 14

Under steady state the temperature of a body

Question # 15

Which of the following has maximum specific heat.

Question # 16

No entropy change is associated with

Question # 17

Under an isothermal process internal energy of the system.

Question # 18

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

Question # 19

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

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 What is a measure of the total energy of a thermodynamics system.
A. Entropy
B. Enthalpy
C. Randomness
D. Chaos theory
2 An immersion heater rated at 150 W is fitted into a large block of ice at 0 oC. The specific latent heat of fusionism 300 J g-1. How long does it take to melt 10 g of ice.
A. 5 s
B. 10 s
C. 15 s
D. 20 s
3 One calorie equals to
A. 1.2 J
B. 2.2 J
C. 3.2 J
D. 4.2 J
4 Mean free path of gas molecules is inversely proportional to its.
A. Volume
B. Pressure
C. Temperature
D. Weight
5 Andrews isothermal helps to messure
A. Boiling point
B. Boyle's temperature
C. Temperature of inversion
D. Critical temperature
6 For which process is the relation Delta Q = Delta V true.
A. Isothermal
B. Adiabatic
C. isobaric
D. Isochoric
7 Under steady state the temperature of a body
A. Increase's with time
B. Decreases with time
C. Does not charge with time
D. None of the above
8 An ideal engine can be 100% efficient only if its exhaust temperatute.
A. Equal to input temperature
B. Less than is input temperature
C. More than its input temperature
D. 0 oC
9 When a hot liquid is mixed with a cold liquid temperature of the mixture.
A. First decreases and then becomes constant
B. First increases and then becomes constant
C. Continuously decreaes
D. Is undefined for some time and then nearly becomes constant
10 A Carnot engine can be 100% efficient of the sink is at.
A. 0 k
B. 0 oF
C. 0 oC
D. 273 K

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