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 base unit of temperature in SI is

Question # 2

Which statement about convection is correct.

Question # 3

Which of the following gases has the maximum rms speed at STP.

Question # 4

If T1 and T2 are source and sink temperature respectively Carnot efficiency is.

Question # 5

A perfect gas is one whose

Question # 6

A given mass of air occupies 12 m2 at normal atmospheric pressure if the pressure is increased to 4 times the original value without changing the temperature what volume will the air occupy.

Question # 7

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

Question # 8

In ideal gas equation PV = nRT , R is

Question # 9

Mean free path of gas molecules in inversely proportional to its.

Question # 10

The gas temperature is increased from 27 oC to 127 oC What is the ratio of mean kinetic energies.

Question # 11

If the gas pressure is increased then its mean free path becomes.

Question # 12

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.

Question # 13

The temperature which is the same in oC and oF is.

Question # 14

The transfer of thermal energy between regions of matter due to a temperature gradient is called.

Question # 15

Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.

Question # 16

The actual gas can behave like an ideal gas at

Question # 17

Specific heat a different substances varies becouse of

Question # 18

When the temperature of source and sink of a heat engine become equal the entropy change will be.

Question # 19

The specific heat capacity of the body depends upon.

Question # 20

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Mean free path of gas molecules in inversely proportional to its.
A. Weight
B. Temperature
C. Pressure
D. Volume
2 If two gases have same reduced pressure volume and temperature it is according to
A. Boyle's law
B. Charles law
C. Law of corresponding state
D. Zeroth law
3 What makes the air coming out of a punctured tyre cool.
A. Isothermal expansion
B. Adiabatic expension
C. Flow at high speed
D. Atmospheric pressure
4 When all the systems taking part in a process are included, the entropy.
A. Decreases
B. Either remains constant of increases
C. Either remains constant or decreases
D. Remains constnat
5 For which process is the relation Delta Q = Delta V true.
A. Isothermal
B. Adiabatic
C. isobaric
D. Isochoric
6 Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.
A. Doubled the original volume
B. Same as original volume
C. Reduced to half the original volume
D. Reduced to two times the original volume
7 What is the represented by the area inside the Carnot cycle.
A. Heat taken to increase the body temperature.
B. Energy loss due to leakage
C. Useful work done
D. Heat rejected by the system
8 The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is
A. Oxygen gas
B. Nitrogen gas
C. Mono atomic gas
D. Dia atomic gas
9 On which temperature scale a degree is 1/180 of the interval between the freezing point and the boiling point.
A. Celsius scale
B. Fahrenheit scales
C. Rankine scale
D. Kelvin scale
10 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

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