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

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 # 2

Absolute zero may be regarded as the temperature of which

Question # 3

Thermodynamics deals with

Question # 4

How do solar heat and light reach the Earth.

Question # 5

In the free expansion of a perfect gas there is no.

Question # 6

In an isobaric process there is no.

Question # 7

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

Question # 8

If we place oure hand below a lighted lamp we feel warmer due to.

Question # 9

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 # 10

The process is which volume of the system remains constant.

Question # 11

Which following properties of molecules of a gas is same for all gases at a particular temperature.

Question # 12

On which parameter internal energy of an ideal gas depends upon.

Question # 13

According to kinetic theory of gases one assumes that the collisions between molecules are.

Question # 14

What should be the shape of an ideal thermometer.

Question # 15

In which given process does the system always return to the original thermodynamic state.

Question # 16

How solid hydrogen is obtained.

Question # 17

An inflated tyre suddenly bursts As a result of this temperature of the surrounding

Question # 18

The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.

Question # 19

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

Question # 20

Woolen clothing a effective in keeping us warm because.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.
A. Mass of the upon
B. Area of cross section of the rod
C. Temperature gradient between two ends
D. Time for which heat flow through the rod
2 Absolute zero may be regarded as the temperature of which
A. Water freezes
B. All substances are solids
C. All gases become liquids
D. Molecular motioning a gas would ceases
3 The term used for heat capacity per unit mass is.
A. Latent heat
B. Specific heat
C. Energy density
D. Specific energy
4 If the pressure of a gas is doubled, then its thermal conductivity will
A. Increases
B. Decreases
C. Remain constant
D. Be zero
5 If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.
A. Decreases
B. Remains constant
C. Increases
D. First increases then decreases
6 Which of the following is a thermodynamic potential
A. Internal energy
B. Enthalpy
C. Gibb's free energy
D. All of these
7 In ideal gas equation PV = nRT , R is
A. Universal gas constant
B. Avogadro's number
C. Plank's constant
D. Gravitational constant
8 A heat engine with 100% efficiency would have to
A. Do no work
B. Be at a uniform temperature
C. Use no heat
D. Discharge at 0 oC
9 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
10 The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.
A. 20%
B. 30%
C. 35%
D. 40%

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