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

What happens to internal energy of a piece of lead when hammered.

Question # 2

A mercury thermometer has

Question # 3

Which temperature is the absolute measure of temperature.

Question # 4

In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.

Question # 5

Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.

Question # 6

The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be

Question # 7

Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.

Question # 8

What type of process is the Carnot's cycle.

Question # 9

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

Question # 10

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

Question # 11

What happens to Carnot efficiency if the source temperature increases.

Question # 12

In the gas equation PV =nRT , V is the volume of.

Question # 13

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

Question # 14

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

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

Andrews isothermal helps to messure

Question # 17

Which thermometer is called sprint thermometer

Question # 18

Temperature of a system remains constant in

Question # 19

The efficiency of Carnot engine is

Question # 20

At the temperature of -273 oC. pressure of a gas at constant volume becomes zero This specific temperature is called.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 To which law of thermodynamics, the concept of temperature is related to.
A. Zeroth law
B. First law
C. Second law
D. Third law
2 How do solar heat and light reach the Earth.
A. By radiation
B. By convection
C. By conduction
D. By conduction and convection
3 In which given process does the system always return to the original thermodynamic state.
A. Cyclic
B. Adiabatic
C. isothermal
D. Isobaric
4 What is the heat required in Kilo joules when the temperature of 100 g of copper is raised thgough 20 K/. Specific heat capacity of copper is 0.4 x 10-3 kg -1 k-1
A. 0.4 kj
B. 0.8 kj
C. 400 kj
D. 800 kj
5 What is the amount of mechanical work done to melt 1 g of ic completely
A. 4.2 J
B. 42 J
C. 80 J
D. 336 J
6 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
7 The specific heat capacity of a substance is the amount of heat required to.
A. Raise its temperature by 1 K
B. Raise the temperature of 1 kg of the substance by 1 K
C. Melt 1 kg of the substance
D. Boil 1 kg of the substance
8 The ration of Universal gas constant and Avogadro's number is called.
A. Equilibrium constant
B. Velocity constant
C. Boitzmann's constant
D. Gravitational constant
9 At absolute zero of temperature.
A. The molecular energy is zero
B. Molecules have translational K.E
C. Molecules have rotational K.E.
D. Molecules have maximum energy
10 Because of second law of thermodynamics about the direction of energy flow what is possible.
A. Heat
B. Light
C. Energy
D. life

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