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

Question # 2

Why freezer a refrigerator is located in the top section

Question # 3

The internal energy of monoatomic gas is.

Question # 4

Which of the following phenomenon gives evidence of the molecular structure of mater

Question # 5

A mercury thermometer has

Question # 6

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 # 7

if temperature eon Celsius scale is 50 oC the temperature on Fahrenheit scale will be.

Question # 8

How does heat transfer between objects.

Question # 9

Thermodynamics concern its primary with the

Question # 10

A mercury in glass thermometer and thermocouple thermometer are both calibrated using the same fixed point of 0 oC and 100 oc when both temperature are used to measure the temperature of a body the temperature measured on both thermometers will be exactly the same

Question # 11

Which of the following can be used visualize the third law thermodynamics

Question # 12

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

Question # 13

A diatomic gas contains only

Question # 14

In which given process does the system always return to the original thermodynamic state.

Question # 15

An ice making machine extracts energy at the rate of 500 W The specific latent heat of fusion of ice is 300 kj kg-1. How long does it take to freeze 2 kg of water at 0 oC.

Question # 16

The gas temperature is increased from 27 oC to 127 oC What is the ratio of mean kinetic energies.

Question # 17

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

Question # 18

The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to

Question # 19

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

Question # 20

No entropy change is associated with

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Absolute zero may be regarded as the temperature of which
A. Water freezes
B. All substances are solids
C. All gases become liquids
D. Molecular motioning a gas would ceases
2 How does heat transfer between objects.
A. From cold to hot objects
B. From hot to cold objects
C. By electromagnetic radiations
D. From hotter to hottest objects.
3 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
4 Which law states that if two systems are in thermal equilibrium with a third system they are also in the thermal equilibrium with each other.
A. Third law of thermodynamics
B. Second law of thermodynamics
C. First law of thermodynamics
D. Zeroth law of thermodynamics
5 Temperature of a gas is related to.
A. Total K.E. of the gas molecules
B. The K.E. of the centre of mass of the gas
C. The P.E. of the centre of mass of the gas
D. Total K.E. of the molecules w.r.t the centre of mass of gas
6 Because of second law of thermodynamics about the direction of energy flow what is possible.
A. Heat
B. Light
C. Energy
D. life
7 What is the total entropy change during an reversible cycle.
A. Unity
B. Infinite
C. Zero
D. Cannot be detected
8 The change in entropy for any reversible cycle is identically
A. Infinite
B. Positive
C. Negative
D. Zero
9 What happen to entropy in an irreversible cycle.
A. No gain in entropy
B. No change in entropy
C. Loss of entropy
D. A net gain of entropy
10 The temperature which is the same in oC and oF is.
A. -20
B. -40
C. 20
D. 40

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