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

What is the human body temperature in Celsius scale.

Question # 2

Which of the following is a non contacting device that intercepts and measures thermal radiation.

Question # 3

The specific heat capacity of the body depends upon.

Question # 4

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

Question # 5

Triple point of water in Kelvin scale is

Question # 6

An ideal engine can be 100% efficient only if its exhaust temperatute.

Question # 7

How solid hydrogen is obtained.

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The base unit of temperature in SI is

Question # 12

What is the internal energy of a mono atomic ideal gas.

Question # 13

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.

Question # 14

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

Question # 15

In an isobaric process there is no.

Question # 16

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

Question # 17

The internal energy of an isolated system

Question # 18

The efficiency of Carnot engine is

Question # 19

In which temperature range water decreases in volume with increasing temperature.

Question # 20

The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
2 According to kinetic energy of gases one assumes that the collisions between the molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic
3 The process is which volume of the system remains constant.
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiatatic process
4 The term used for heat capacity per unit mass is.
A. Latent heat
B. Specific heat
C. Energy density
D. Specific energy
5 Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.
A. Electrons
B. Lattice vibrations
C. Photons
D. Positive ions
6 Which thermodynamic law state taht the entropy of a perfect system approaches zero.
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
7 Which of the following is an example of an irreversible process.
A. Isothermal and adiabatic process
B. Melting of ice
C. Work done against friction
D. Pettier effect
8 Gas law PV = constant is for
A. Adiabatic change
B. Isothermal changes
C. Isobaric changes
D. Isochoric changes
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 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

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