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

The zero point of Kelvin scale is called.

Question # 2

What is the mean free path in a gas.

Question # 3

What is the internal energy of a mono atomic ideal gas.

Question # 4

A 4 kJ mass of copper of specific heat capacity of 400 J kg-1k-1 is heated for 160 s by a heater of power 200 W what is the rise in temperature.

Question # 5

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 # 6

What is the amount of mechanical work done to melt 1 g of ic completely

Question # 7

Which one is the primary standard for temperature measurement.

Question # 8

Which quantity is common for systems in thermal equilibrium.

Question # 9

When heat a supplied to a metallic sphere which one of the following changes will occur.

Question # 10

If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.

Question # 11

Which of the following is standard scale of temperature

Question # 12

Under steady state the temperature of a body

Question # 13

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 # 14

What is the SI unit for thermal conductivity.

Question # 15

The internal energy of an isolated system

Question # 16

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

Question # 17

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

Question # 18

Mean free path of gas molecules is inversely proportional to its

Question # 19

Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.

Question # 20

Which thermometer is called sprint thermometer

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which of the following measures how quickly the thermometer liquid mainly because it
A. Is coloriess
B. Is a bad conductor of heat
C. Does not expand linearly
D. Has a low boiling point
2 Which one of the following temperature scales is independent of the properties of any particular substance.
A. Kelvin scale
B. Gas scale
C. Thermodynamic scale
D. Celsius scale
3 In onw cycle of a steam engine there are how many dead centres.
A. 1
B. 2
C. 3
D. zero
4 What is world's average surface air temperature.
A. 5 oC
B. 10 oC
C. 15 oC
D. 20 oC
5 Which of the following is a non contacting device that intercepts and measures thermal radiation.
A. Thermometer
B. Pyrometer
C. Voltmeter
D. Lactometer
6 What is a thermal properly of a material that determines the quantity of energy required to change the phase of a unit mass of that substance.
A. Specific heat
B. Latent heat
C. Internal energy
D. Specific energy
7 Because of second law of thermodynamics about the direction of energy flow what is possible.
A. Heat
B. Light
C. Energy
D. life
8 Internal energy of a gas decreased when
A. It gains heat
B. Change in cycle
C. Change in adiatatic
D. Change in reversible
9 Real gases obey gas laws only at
A. Low pressure and high temperature
B. High pressure and low temperature
C. High pressure and high temperature
D. Low pressure and low temperature
10 The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.
A. Celsius scale
B. Kelvin scale
C. Fahrenheit scale
D. Baume scale

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