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 which parameter internal energy of an ideal gas depends upon.

Question # 2

In general work done on or by a gas depends on.

Question # 3

Which of the following can be used visualize the third law thermodynamics

Question # 4

An immersion heater rated at 150 W is fitted into a large block of ice at 0 oC. The specific latent heat of fusionism 300 J g-1. How long does it take to melt 10 g of ice.

Question # 5

Under steady state the temperature of a body

Question # 6

Why an even Carnot engine Carnot give 100% efficiency.

Question # 7

Convention is the transfer of thermal energy by means of currents in

Question # 8

The specific heat capacity of the body depends upon.

Question # 9

Which thermodynamic law state taht the entropy of a perfect system approaches zero.

Question # 10

What is the human body temperature in Celsius scale.

Question # 11

The internal energy of an isolated system

Question # 12

A sample of an ideal gas may i) energy adiabatically, or ii) Expand isothermally. the net flow of heat into the gas from the exterior is.

Question # 13

The total gain in entropy of the working substance in a Carnot cycle is.

Question # 14

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

Question # 15

In free expansion of a gas. the internal energy of the system.

Question # 16

Thermodynamics deals with

Question # 17

Heat Carnot be transferred from a colder to a hotter region unless work is done This is the statement of.

Question # 18

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

Question # 19

Internal energy of a gas decreased when

Question # 20

The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which gas strictly obeys gas laws.
A. Hydrogen gas
B. Inert gas
C. Ideal perfect gas
D. Helium gas
2 The number of molecules or atoms in a specific volume of a gas is independent of their
A. Volume
B. Pressure
C. Size
D. Temperature
3 The efficiency of a diesel engine is about
A. 15% to 35 5
B. 355 to 40%
C. 45% to 655
D. 505 to 65 %
4 The ideal thermal efficiency of a cyclic heat engine is limited by
A. Friction in the engine
B. Amount of heat in the engine
C. Difference between input temperature and output temperature.
D. Amount of work
5 If T1 and T2 are source and sink temperature respectively Carnot efficiency is.
A. T1+T2/T1
B. T1-T2/T1
C. T1+T2/T2
D. T1-T2/T2
6 How do solar heat and light reach the Earth.
A. By radiation
B. By convection
C. By conduction
D. By conduction and convection
7 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
8 During an adiabatic gas expansion the environment
A. Serves as a heat sink
B. Serves as a heat source
C. Must be at a higher temperature than the gas
D. Does not have to participate
9 In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.
A. A gas engine
B. Adiabatic
C. Reversible
D. A refrigerator
10 A convention current is the movement of fluid caused by the change in.
A. Pressure
B. Temperature
C. Densities
D. Volume

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