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

The internal energy of monoatomic gas is.

Question # 2

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

Question # 3

In an isobaric process there is no.

Question # 4

The process in which pressure of the system remains constant.

Question # 5

The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.

Question # 6

On which parameter, the heat capacity of a material depends upon.

Question # 7

The practical efficiency of a heat engine is

Question # 8

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

Question # 9

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

Question # 10

Why an even Carnot engine Carnot give 100% efficiency.

Question # 11

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

Question # 12

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.

Question # 13

What is the human body temperature in Celsius scale.

Question # 14

What is world's average surface air temperature.

Question # 15

Law of increase of entropy is a result of

Question # 16

The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.

Question # 17

Thermodynamics deals with

Question # 18

Which of the following is heat transfer by means of the emission or absorption of electromagnetic radiation such as sunshine.

Question # 19

Which of the following gases has the maximum rms speed at STP.

Question # 20

The pressure of a goas is directly proportion to

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A Carnot engine has the same efficiency between (i) 100 K and 500 K and ii) T and 900 K What will be T.
A. 90 K
B. 100 K
C. 180 K
D. 200 K
2 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
3 Difference between Cp and Cv is equal to
A. General gas constant
B. Planck's conatant
C. Molar gas constant
D. Boltzmann's constant
4 The pressure of a goas is directly proportion to
A. Mean velocity of the molecules
B. Mean square velocity of the molecules
C. Root mean square velocity of the molecules
D. Instantaneous velocity of the molecules
5 From any substance the temperature and pressure at which the material can coexist in all three states in equilibrium is called.
A. Critical point
B. Triple point
C. Initial point
D. Final point
6 Specific heat a different substances varies becouse of
A. Same number of molecules in unit mass
B. Different number of molecules in unit mass
C. Different K.E. of molecules in unit mass
D. Same K.E. of molecules in unit mass
7 Which of the following is a thermodynamic potential
A. Internal energy
B. Enthalpy
C. Gibb's free energy
D. All of these
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 The process is which volume of the system remains constant.
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiatatic process
10 When a hot liquid is mixed with a cold liquid temperature of the mixture.
A. First decreases and then becomes constant
B. First increases and then becomes constant
C. Continuously decreaes
D. Is undefined for some time and then nearly becomes constant

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