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

Efficiency of a Carnot engine depends on

Question # 2

Which of the following should not change in isothermal operation.

Question # 3

Which of the following in the best container for gas during adiabatic process.

Question # 4

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

Question # 5

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

Question # 6

In a vacuum flask the vacuum prevents heat transfer by

Question # 7

A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is.

Question # 8

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

Question # 9

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

Question # 10

Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0

Question # 11

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

Question # 12

Most cooking involves

Question # 13

If the pressure of a gas is doubled, then its thermal conductivity will

Question # 14

The actual gas can behave like an ideal gas at

Question # 15

Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.

Question # 16

What is the represented by the area inside the Carnot cycle.

Question # 17

Which temperature is the absolute measure of temperature.

Question # 18

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

Question # 19

Triple point of water in Kelvin scale is

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 An ice making machine extracts energy at the rate of 500 W The specific latent heat of fusion of ice is 300 kj kg-1. How long does it take to freeze 2 kg of water at 0 oC.
A. 120 s
B. 150 s
C. 1200 s
D. 1500 s
2 Below which temperature gas can be liquified by increasing its pressure.
A. Natural temperature
B. Boyle temperature
C. Critical temperature
D. Absolute zero
3 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
4 Which of the following is a non contacting device that intercepts and measures thermal radiation.
A. Thermometer
B. Pyrometer
C. Voltmeter
D. Lactometer
5 Which statement about convection is correct.
A. Brownian motion is a form of convection
B. Convection occurs only in gas
C. Convection results from a density change
D. Evaporation is a form of convection
6 Which of the following should not change in an Isothermal process.
A. Volume
B. Pressure
C. Temperature
D. All of these
7 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
8 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change
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 Temperature of a gas is related to.
A. Total K.E. of the gas molecules
B. The K.E. of the centre of mass of the gas
C. The P.E. of the centre of mass of the gas
D. Total K.E. of the molecules w.r.t the centre of mass of gas

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