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

Convention is the transfer of thermal energy by means of currents in

Question # 2

What is the necessary condition for Boyle's law to hold good.

Question # 3

When a solid is melting the temperature remains constant even through heat is being supplied because the

Question # 4

The base unit of temperature in SI is

Question # 5

Change in which parameter determines the work done by a gas during adiabatic prcoess.

Question # 6

On which temperature scale a degree is 1/180 of the interval between the freezing point and the boiling point.

Question # 7

First law of thermodynamics is a

Question # 8

Which statement about convection is correct.

Question # 9

Identify the irreversible process

Question # 10

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

Question # 11

A heat engine with 100% efficiency would have to.

Question # 12

How much lce will melt by 50,000 J of heat.

Question # 13

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

Question # 14

In Isochoric process there is no

Question # 15

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

Question # 16

The process in which a system undergoes a change of state at constant volume.

Question # 17

If the gas pressure is increased then its mean free path becomes.

Question # 18

On increasing the temperature of source efficiency of Carnot engine.

Question # 19

During an adiabatic gas expansion the environment

Question # 20

The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Woolen clothing a effective in keeping us warm because.
A. An trapped int he wool acts as an insulator
B. Heat loss by convection and radiation is prevented
C. Wool is bad traciator and good absorber of heat
D. Wool can retain high temperatures
2 In Isochoric process there is no
A. Work done
B. Internal energy change
C. Volume change or work done
D. Heat exchanged
3 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
4 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
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 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
7 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity
8 A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.
A. Mass of the upon
B. Area of cross section of the rod
C. Temperature gradient between two ends
D. Time for which heat flow through the rod
9 Which of the following should not change in isothermal operation.
A. Heat constant
B. Volume
C. Pressure
D. Temperature
10 Which of the following is an example of irreversible process.
A. Melting of ice
B. Work done against friction
C. Pettier heating and cooling
D. All isothermal and adiabatic changes

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