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

00:00
Question # 1

The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is

Question # 2

What happen to entropy in an irreversible cycle.

Question # 3

Certain gas are called permanent gases because.

Question # 4

On which temperature scale a degree is 1/180 of the interval between the freezing point and the boiling point.

Question # 5

Why an even Carnot engine Carnot give 100% efficiency.

Question # 6

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

Question # 7

What is the triple point of water.

Question # 8

The Fahrenheit and Kelvin scales intersect at

Question # 9

If the specific latent heat of vaporization of oxygen is 214 kJ kg-1 how much heat will be absorbed when 3.0 kg of oxygen is boiled off at its boiling point.

Question # 10

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 # 11

The normal Human body temperature in Fahrenheit scale is.

Question # 12

The internal inertia of a thermodynamics system is known as.

Question # 13

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

Question # 14

The SI unit of heat capacity is.

Question # 15

What is the represented by the area inside the Carnot cycle.

Question # 16

The ration Cv/Cp = y for a diatomic gas like air is

Question # 17

During solid ficain the temperature.

Question # 18

If temperature of the sink is decreased the efficiency of a Carnot engine

Question # 19

Net change in entropy of a system in a Carnot's cycle in

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A heat engine with 100% efficiency would have to.
A. Do no work
B. Be at uniform temperature
C. Use no heat
D. Discharge of 0 oC
2 The total gain in entropy of the working substance in a Carnot cycle is.
A. Positive
B. Negative
C. Infinite
D. Constant
3 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
4 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
5 If we place oure hand below a lighted lamp we feel warmer due to.
A. Conduction
B. Convection
C. Radiation
D. None of these
6 What is a thermal properly of a material that determines the quantity of energy required to change the phase of a unit mass of that substance.
A. Specific heat
B. Latent heat
C. Internal energy
D. Specific energy
7 Under an isothermal process internal energy of the system.
A. Increases
B. Decreases
C. Remain constant
D. is Zero
8 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
9 Which of the following is an example of irreversible process.
A. Melting of ice
B. Work done against friction
C. Pettier heating and cooling
D. All isothermal and adiabatic changes
10 In which given process does the system always return to the original thermodynamic state.
A. Cyclic
B. Adiabatic
C. isothermal
D. Isobaric

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