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

Why freezer a refrigerator is located in the top section

Question # 2

The normal Human body temperature in Fahrenheit scale is.

Question # 3

Most cooking involves

Question # 4

The total gain in entropy of the working substance in a Carnot cycle is.

Question # 5

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

Question # 6

The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is

Question # 7

In the free expansion of a perfect gas there is no.

Question # 8

The specific heat of an ideal gas values as

Question # 9

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

Question # 10

Which of the following is the science of measuring the heat of chemical reactions or physical changes.

Question # 11

For which process is the relation Delta Q = Delta V true.

Question # 12

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 # 13

Net change in entropy of a system in a Carnot's cycle in

Question # 14

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

Question # 15

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

Question # 16

The specific heat of liquid

Question # 17

What is the triple point of water.

Question # 18

Triple point of water in Kelvin scale is

Question # 19

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 # 20

In free expansion of a gas. the internal energy of the system.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a liquid is hated retaining its liquid sate then its molecules gain.
A. K.E.
B. P.E
C. Heat energy
D. Chemical energy
2 Which of the following phenomenon gives evidence of the molecular structure of mater
A. Evaporation
B. Diffusion
C. Brownian movement
D. All of the above
3 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change
4 In free expansion of a gas. the internal energy of the system.
A. Increases
B. Descreases
C. Remain unchanged
D. Becomes infinite
5 What is the SI unit for thermal conductivity.
A. W m-1 K-1
B. W m-2 k-2
C. W m-3 k-1
D. J kg -1 k-1
6 Mean free path of gas molecules is inversely proportional to its.
A. Volume
B. Pressure
C. Temperature
D. Weight
7 A Carnot engine can be 100% efficient of the sink is at.
A. 0 k
B. 0 oF
C. 0 oC
D. 273 K
8 If two gases have same reduced pressure volume and temperature it is according to
A. Boyle's law
B. Charles law
C. Law of corresponding state
D. Zeroth law
9 Which quantity provides a quantitative measure of disorder.
A. Entropy
B. Enthalpy
C. Randomness
D. Chaos
10 A given quantity of an ideal gas is at pressure P and temperature T What is the isothermal bulk modulus of the gas.
A. 2/3 P
B. P
C. 2P
D. 3/2 P

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