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

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 2

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.

Question # 3

How many calories of heat are required to evaporate completely 1 g or ice at 0 oC

Question # 4

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

Question # 5

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

Question # 6

On what factor the internal energy of a thermodynamic system depend upon.

Question # 7

The internal energy of an isolated system

Question # 8

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

Question # 9

The Fahrenheit and Kelvin scales intersect at

Question # 10

Difference between Cp and Cv is equal to

Question # 11

In ideal gas equation PV = nRT , R is

Question # 12

If a gas does 10 J of external work white expanding then the change in internal energy is equal to.

Question # 13

The normal Human body temperature in Fahrenheit scale is.

Question # 14

When a hot liquid is mixed with a cold liquid temperature of the mixture.

Question # 15

The zero point of Kelvin scale is called.

Question # 16

In an isobaric process there is no.

Question # 17

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

Question # 18

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

Question # 19

Diffusion of gases occurs because the molecules of the

Question # 20

The follow of heat from hot body to cold body is an example of

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The expression PV/KT represents.
A. Number of moles of the gas
B. Number of molecules in the gas
C. Total mass of the gas
D. Density of the gas
2 The practical efficiency of a heat engine is
A. 25% to 30.5 %
B. 35% to 45%
C. 30% to 45%
D. 15% to 25%
3 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.
A. Positive is each case
B. Negative for i) and positive for ii)
C. Zero for i) and positive for ii)
D. Positive for i) and negative for ii)
4 How solid hydrogen is obtained.
A. By cascade process
B. By joule kelvin effect
C. By adiabatic expansion
D. Lowering temperature below melting point
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 First law of thermodynamics is a
A. Boyle 's law
B. Charles' law
C. Law of energy conservation
D. Steffen Boltzmann law
7 Which of the following is the science of measuring the heat of chemical reactions or physical changes.
A. Thermometry
B. Calorimetry
C. Telemetry
D. Photometry
8 The heat required to sublime one mole of the substance at standard temperature and pressure is called.
A. Latest heat
B. Specific heat
C. Heat of sublimation
D. Heat capacity
9 Which one is the primary standard for temperature measurement.
A. Resistance thermometer
B. Mercury in glass thermometer
C. Constant volume gas thermometer
D. Pyrometer
10 Which kind of motion is exhibited by molecules of monoatomic gas.
A. Rotatory
B. Vibratory
C. Translatory
D. Random

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