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

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

Question # 2

If the temperature of the source and sink are increased by same amount the efficiency of the engine.

Question # 3

The specific heat of a substance is a function of its

Question # 4

According to kinetic energy of gases one assumes that the collisions between the molecules are.

Question # 5

Which law states that if two systems are in thermal equilibrium with a third system they are also in the thermal equilibrium with each other.

Question # 6

Which of the following devoices are used for measuring temperature.

Question # 7

The behavior of the gases that can be easily liquefied is like that of the.

Question # 8

What is the triple point of water.

Question # 9

Efficiency of a Carnot engine depends on

Question # 10

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 # 11

Why an even Carnot engine Carnot give 100% efficiency.

Question # 12

Which of the following measures how quickly the thermometer liquid mainly because it

Question # 13

If the number of gas molecules in a cubical vessel is increase from N to 3 N then its pressure and total energy will be.

Question # 14

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

Question # 15

Which of the following is the ideal gas equation.

Question # 16

Which of the following is an example of irreversible process.

Question # 17

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

Question # 18

Mean free path of gas molecules is inversely proportional to its.

Question # 19

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

Question # 20

To which law of thermodynamics, the concept of temperature is related to.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The practical efficiency of a heat engine is
A. 25% to 30.5 %
B. 35% to 45%
C. 30% to 45%
D. 15% to 25%
2 The product of mass and specific heat of a substance is called.
A. Latent heat
B. Water equivalent
C. Atomic heat
D. Heat capacity
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 The process in which no heat enters or leaves the system is called.
A. Isdobaric
B. Isochoric
C. Isothermal
D. Adiabatic
5 Temperature of a system remains constant in
A. Adiabatic process
B. Isobaric process
C. Isothermal process
D. Isochoric process
6 Which of the following is a non contacting device that intercepts and measures thermal radiation.
A. Thermometer
B. Pyrometer
C. Voltmeter
D. Lactometer
7 What is the represented by the area inside the Carnot cycle.
A. Heat taken to increase the body temperature.
B. Energy loss due to leakage
C. Useful work done
D. Heat rejected by the system
8 What type of process is the Carnot's cycle.
A. Reversible
B. Irreversible
C. Neither reversible nor irreversible
D. May be reversible or irreversible
9 By definition a gas is said to be have undergone adiabatic compressing when
A. No heat exchange occurs between the gas and its surroundings
B. The gas is compressed quickly
C. The gas is compressed slowly
D. The temperature of the gas remains constant
10 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

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