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

The zero point of Kelvin scale is called.

Question # 2

Which of the following is a thermodynamic potential

Question # 3

The practical efficiency of a heat engine is

Question # 4

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

Question # 5

Under an isothermal process internal energy of the system.

Question # 6

Which of the following has negative specific heat

Question # 7

During an adiabatic gas expansion the environment

Question # 8

What is the amount of mechanical work done to melt 1 g of ic completely

Question # 9

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

Question # 10

The mechanical equivalent of heat is.

Question # 11

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Question # 12

What should be the shape of an ideal thermometer.

Question # 13

The number of molecules or atoms in a specific volume of a gas is independent of their

Question # 14

Which of the following is an example of irreversible process.

Question # 15

Gases exert pressure on walls of the vessels because gas molecules.

Question # 16

Most cooking involves

Question # 17

In which temperature range water decreases in volume with increasing temperature.

Question # 18

No entropy change is associated with

Question # 19

Identify the irreversible process

Question # 20

Why freezer a refrigerator is located in the top section

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Below which temperature gas can be liquified by increasing its pressure.
A. Natural temperature
B. Boyle temperature
C. Critical temperature
D. Absolute zero
2 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
3 How many calories of heat are required to evaporate completely 1 g of ice at 0 oC
A. 480 calories
B. 720 calories
C. 940 calories
D. 1170 calories
4 The internal energy of monoatomic gas is.
A. 3/2 RT
B. Independent of temperature
C. In the form of K.E.
D. Partially kinetic and partially potential
5 In the free expansion of a perfect gas there is no.
A. work done
B. Heat exchnged
C. Internal energy changed
D. All of the above
6 Which of the following is defined as the amount of heat required to raise the temperature of 1 g of water by 1 oC
A. Joule
B. BTO
C. Electron volt
D. Calorie
7 If temperature of the sink is decreased the efficiency of a Carnot engine
A. Increases
B. Decreases
C. Remains constant
D. First increases and thend ecreases
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 No entropy change is associated with
A. Isothermal process
B. Adiabatic process
C. Isochoric process
D. Isoteric process
10 Contrivances for converting heat into work are called.
A. Heat pumps
B. Heat engines
C. IC engines
D. Jet engine

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