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

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

Question # 2

Change in which parameter determines the work done by a gas during adiabatic prcoess.

Question # 3

What is the average K.E. of gas molecules at temperature equal to K.

Question # 4

The behavior of the gases that can be easily liquefied is like that of the.

Question # 5

Which of the following should not change in an Isothermal process.

Question # 6

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

Question # 7

The efficiency of Carnot engine is

Question # 8

Which of the following is an example of irreversible process.

Question # 9

In onw cycle of a steam engine there are how many dead centres.

Question # 10

The internal energy of an isolated system

Question # 11

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

Question # 12

The internal inertia of a thermodynamics system is known as.

Question # 13

The ration of Universal gas constant and Avogadro's number is called.

Question # 14

What is the minimum number of thermodynamic parameters required to specify the state of gas system.

Question # 15

The kinetic molecular model of matter describe matter an being made up of molecules in continuous.

Question # 16

The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.

Question # 17

Gases exert pressure on walls of the vessels because gas molecules.

Question # 18

What is world's average surface air temperature.

Question # 19

The pressure necessary to liquify a gas at the critical temperature is called.

Question # 20

If volume of the gas doubled without changing its temperature the pressure of the gas is

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 At absolute zero of temperature.
A. The molecular energy is zero
B. Molecules have translational K.E
C. Molecules have rotational K.E.
D. Molecules have maximum energy
2 When a fluid in a cylinder expands through a distance 'd' against a piston of area 'A' which is exerting a constant pressure 'P' the work done is equal by.
A. PAD
B. PA/d
C. Pd/A
D. Pd/A2
3 Which one is the primary standard for temperature measurement.
A. Resistance thermometer
B. Mercury in glass thermometer
C. Constant volume gas thermometer
D. Pyrometer
4 The phenomenon of Brownian motion shows that
A. Molecules exist and can be seen as bright dots moving about
B. Molecules moves about randomly at highs speeds
C. Smoke particles behaves as molecules
D. Smoke particles can be used as models of air molecues.
5 Which of the following has negative specific heat
A. Ne
B. CO2
C. O2
D. Sturated vapours
6 Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
7 A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume 50 x 10-3 The change internal energy of the gas is.
A. 500 J
B. 1000 J
C. -1000 J
D. Zero
8 The specific heat capacity of a substance is the amount of heat required to.
A. Raise its temperature by 1 K
B. Raise the temperature of 1 kg of the substance by 1 K
C. Melt 1 kg of the substance
D. Boil 1 kg of the substance
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 The thermal inertia of a thermodynamic system is known as its.
A. Entropy
B. Enthalpy
C. Isothermal conduction
D. Adiabatic conduction

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