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

Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.

Question # 2

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

Question # 3

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

Question # 4

A diatomic gas contains only

Question # 5

During solid ficain the temperature.

Question # 6

Most cooking involves

Question # 7

The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.

Question # 8

Which of the following is an example of irreversible process.

Question # 9

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 # 10

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

Question # 11

When the temperature of a body is equal to that of the surrounding then the body appears

Question # 12

One calorie equals to

Question # 13

A Carnot engine can be 100% efficient of the sink is at.

Question # 14

Difference between Cp and Cv is equal to

Question # 15

The internal inertia of a thermodynamics system is known as.

Question # 16

The gas thermometer is taken as the primary standard because.

Question # 17

What is the total entropy change during an reversible cycle.

Question # 18

Which of the following devoices are used for measuring temperature.

Question # 19

Which is the heat transfer mode between an object and its environment due to circular fluid motion.

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which of the following gases has the maximum rms speed at STP.
A. O2
B. H2
C. N2
D. CO2
2 Why freezer a refrigerator is located in the top section
A. Motor is not affected
B. Heat gained from environment is less
C. The entire chamber of freezer is cooled quickly
D. Heat gained from environment is more
3 Specific heat a different substances varies becouse of
A. Same number of molecules in unit mass
B. Different number of molecules in unit mass
C. Different K.E. of molecules in unit mass
D. Same K.E. of molecules in unit mass
4 A frictionless heat engine can be 100% efficient only if its exhaust temperature is
A. Equal to the input temperature
B. Less than the input temperature
C. 0 oC
D. 0 K
5 Which quantity must be the same for two bodies if they are to be in thermal equilibrium.
A. Internal energy
B. P.E
C. Temperature
D. Mass
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.
A. 90 K
B. 100 K
C. 180 K
D. 200 K
7 The process in which no heat enters or leaves the system is called.
A. Isdobaric
B. Isochoric
C. Isothermal
D. Adiabatic
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 A given mass of air occupies 12 m2 at normal atmospheric pressure if the pressure is increased to 4 times the original value without changing the temperature what volume will the air occupy.
A. 3 cm3
B. 6 cm3
C. 9 cm3
D. 12 cm3
10 How much lce will melt by 50,000 J of heat.
A. 120 J
B. 130 g
C. 140 J
D. 150 g

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