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 specific heat of liquid

Question # 2

Gas exert pressure on walls of the visual because gas molecules.

Question # 3

The internal energy of monoatomic gas is.

Question # 4

The law of equation of energy is applicable to the system whose constituents are.

Question # 5

One calorie equals to

Question # 6

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

Question # 7

Which following properties of molecules of a gas is same for all gases at a particular temperature.

Question # 8

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

Question # 9

Which statement about convection is correct.

Question # 10

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 11

Net change in entropy of a system in a Carnot's cycle in

Question # 12

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

Question # 13

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

Question # 14

The SI unit of heat capacity is.

Question # 15

Which one of the following is an example of a reversible process.

Question # 16

The process in which pressure of the system remains constant.

Question # 17

The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.

Question # 18

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

Question # 19

What is world's average surface air temperature.

Question # 20

Which of the following is the ideal gas equation.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The specific heat of an ideal gas values as
A. To
B. T1
C. T2
D. T3
2 In the gas equation PV =nRT , V is the volume of.
A. 1 g of gas
B. 1 L of gas
C. 1 mol of gas
D. 1 kg of gas
3 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
4 The law of equation of energy is applicable to the system whose constituents are.
A. At rest
B. In orderly motion
C. in random motion
D. Moving at constant speed
5 In which thermodynamic process enthalpy of the system remains constant.
A. Isenthalpic process
B. Isolated process
C. Isobaric process
D. Isochoric process
6 Which of the following is a thermodynamic temperature scale.
A. Celsius scale
B. Fahrenheit scale
C. Kelvin scale
D. Rankine scale
7 Gases exert pressure on walls of the vessels because gas molecules.
A. Possess momentum
B. Have finite volume
C. Collide with each other
D. Obey gas laws
8 A heat engine with 100% efficiency would have to.
A. Do no work
B. Be at uniform temperature
C. Use no heat
D. Discharge of 0 oC
9 In free expansion of a gas. the internal energy of the system.
A. Increases
B. Descreases
C. Remain unchanged
D. Becomes infinite
10 The pressure of a gas is directly proportions to
A. Mean velocity of the molecules
B. Mean square velocity of the molecules
C. Root mean square velocity of the molecules
D. Instantaneous velocity of the molecules

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