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

On what factor the internal energy of a thermodynamic system depend upon.

Question # 2

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

Question # 3

Under steady state the temperature of a body

Question # 4

During solid ficain the temperature.

Question # 5

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

Question # 6

What kind of movement is dictated by the laws of thermodynamcis.

Question # 7

Law of increase of entropy is a result of

Question # 8

A perfect gas is one whose

Question # 9

An ideal engine can be 100% efficient only if its exhaust temperatute.

Question # 10

What is the mean free path in a gas.

Question # 11

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

Question # 12

On which of the following the kinetic theory of gases is not applicable.

Question # 13

The thermal inertia of a thermodynamic system is known as its.

Question # 14

Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.

Question # 15

What makes the air coming out of a punctured tyre cool.

Question # 16

Because of second law of thermodynamics about the direction of energy flow what is possible.

Question # 17

The term used for heat capacity per unit mass is.

Question # 18

Significant motion for the molecules of a monoatomic gas is.

Question # 19

Which kind of motion is exhibited by molecules of monoatomic gas.

Question # 20

On increasing the temperature of source efficiency of Carnot engine.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 On which of the following the kinetic theory of gases is not applicable.
A. Water vapour
B. Smoke particles
C. Bound particles
D. Free electrons
2 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
3 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
4 Temperature of a system remains constant in
A. Adiabatic process
B. Isobaric process
C. Isothermal process
D. Isochoric process
5 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change
6 The change in entropy for any reversible cycle is identically
A. Infinite
B. Positive
C. Negative
D. Zero
7 Gas law PV = constant is for
A. Adiabatic change
B. Isothermal changes
C. Isobaric changes
D. Isochoric changes
8 The mechanical equivalent of heat is.
A. Physical quantity
B. Constant
C. Conversion factor
D. Zero
9 According to kinetic energy of gases one assumes that the collisions between the molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic
10 Which of the following should not change in an Isothermal process.
A. Volume
B. Pressure
C. Temperature
D. All of these

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