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 should be the shape of an ideal thermometer.

Question # 2

The process in which a system undergoes a change of state at constant volume.

Question # 3

Heat Carnot be transferred from a colder to a hotter region unless work is done This is the statement of.

Question # 4

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 # 5

Which of the following pairs represent units of the same physical quantity.

Question # 6

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

Question # 7

Which of the following has negative specific heat

Question # 8

The gas thermometer is taken as the primary standard because.

Question # 9

The process is which volume of the system remains constant.

Question # 10

The phenomenon of Brownian motion shows that

Question # 11

By definition a gas is said to be have undergone adiabatic compressing when

Question # 12

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

Question # 13

If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.

Question # 14

When ever a system is made to complete a cyclic process the work done during the complete cycle.

Question # 15

If the number of gas molecules in a cubical vessel is increase from N to 3 N then its pressure and total energy will be.

Question # 16

Why an even Carnot engine Carnot give 100% efficiency.

Question # 17

A given quantity of an ideal gas is at pressure P and temperature T What is the isothermal bulk modulus of the gas.

Question # 18

What is the SI unit for thermal conductivity.

Question # 19

Which law states that two given samples of an ideal gas at the same temperature pressure and volume contain the same number of molecules.

Question # 20

The efficiency of a diesel engine is about

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In Isochoric process there is no
A. Work done
B. Internal energy change
C. Volume change or work done
D. Heat exchanged
2 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
3 The ration of Universal gas constant and Avogadro's number is called.
A. Equilibrium constant
B. Velocity constant
C. Boitzmann's constant
D. Gravitational constant
4 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
5 Under steady state the temperature of a body
A. Increase's with time
B. Decreases with time
C. Does not charge with time
D. None of the above
6 In general work done on or by a gas depends on.
A. The initial state only
B. The final state only
C. The initial and final states
D. The initial state the final state and the path
7 The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.
A. The efficiency of the working substance of the engine
B. the ideal gas scale of temperature
C. The ratio of the absolute temperature of the reservoirs
D. The thermal capacity of the working substance
8 Which following properties of molecules of a gas is same for all gases at a particular temperature.
A. Momentum
B. Mass
C. velocity
D. K.E.
9 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%
10 Which is the heat transfer mode between an object and its environment due to circular fluid motion.
A. Conduction
B. Convection
C. Radiation
D. Mass transfer

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