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

One calorie equals to

Question # 2

What is the total entropy change during an reversible cycle.

Question # 3

The ration of Universal gas constant and Avogadro's number is called.

Question # 4

If temperature of the sink is decreased the efficiency of a Carnot engine

Question # 5

A standard fixed point for calibrating a thermometer is.

Question # 6

In which thermodynamic process enthalpy of the system remains constant.

Question # 7

What is the average K.E. of gas molecules at temperature equal to K.

Question # 8

Certain gas are called permanent gases because.

Question # 9

The efficiency of a diesel engine is about

Question # 10

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

Question # 11

What is a measure of the total energy of a thermodynamics system.

Question # 12

A convention current is the movement of fluid caused by the change in.

Question # 13

When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.

Question # 14

A perfect gas is one whose

Question # 15

The specific heat of liquid

Question # 16

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

Question # 17

If two gases have same reduced pressure volume and temperature it is according to

Question # 18

The ration Cv/Cp = y for a diatomic gas like air is

Question # 19

The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 If the specific latent heat of vaporization of oxygen is 214 kJ kg-1 how much heat will be absorbed when 3.0 kg of oxygen is boiled off at its boiling point.
A. 14 kJ
B. 64 k J
C. 140 kJ
D. 642 k j
2 What is the SI unit for thermal conductivity.
A. W m-1 K-1
B. W m-2 k-2
C. W m-3 k-1
D. J kg -1 k-1
3 In an isochoric process.
A. Volume changes
B. Pressure changes
C. Temperature changes
D. Volume remains constant
4 Mean free path in a gas is the
A. Distance travelled by a molecule before hitting a wall
B. Average distance travelled by a molecule in one second
C. Average distance travelled between molecules between any two successive collisions
D. Root mean square velocity
5 The specific heat of liquid
A. Decreases with temperature
B. Increases with temperature
C. Remains constant with change in temperature
D. Increases with pressure
6 First law of thermodynamics is a
A. Boyle 's law
B. Charles' law
C. Law of energy conservation
D. Steffen Boltzmann law
7 When a fluid in a cylinder expands through a distance 'd' against a piston of area 'A' which is exerting a constant pressure 'P' the work done is equal by.
A. PAD
B. PA/d
C. Pd/A
D. Pd/A2
8 A perfect gas is one whose
A. Molecules are masless
B. Molecules are energetic
C. Molecules are perfectly elastic
D. Molecules are at rest
9 What type of process is the Carnot's cycle.
A. Reversible
B. Irreversible
C. Neither reversible nor irreversible
D. May be reversible or irreversible
10 Which following properties of molecules of a gas is same for all gases at a particular temperature.
A. Momentum
B. Mass
C. velocity
D. K.E.

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