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

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

Question # 2

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

Question # 3

Which of the following is a thermodynamic potential

Question # 4

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 # 5

Which one of the following temperature scales is independent of the properties of any particular substance.

Question # 6

The number of molecules or atoms in a specific volume of a gas is independent of their

Question # 7

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

Question # 8

Gas law PV = constant is for

Question # 9

The pressure of a gas is directly proportions to

Question # 10

A mercury in glass thermometer and thermocouple thermometer are both calibrated using the same fixed point of 0 oC and 100 oc when both temperature are used to measure the temperature of a body the temperature measured on both thermometers will be exactly the same

Question # 11

What is the heat required in Kilo joules when the temperature of 100 g of copper is raised thgough 20 K/. Specific heat capacity of copper is 0.4 x 10-3 kg -1 k-1

Question # 12

The specific heat of liquid

Question # 13

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

Question # 14

What is the mean free path in a gas.

Question # 15

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

Question # 16

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

Question # 17

The zero point of Kelvin scale is called.

Question # 18

Thermodynamics deals with

Question # 19

Which quantity must be the same for two bodies if they are to be in thermal equilibrium.

Question # 20

How many calories of heat are required to evaporate completely 1 g or ice at 0 oC

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Certain gas are called permanent gases because.
A. They cannot be liquified
B. They are perfect gases
C. The critical temperatures are low
D. their boiling points are low
2 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
3 The process in which a system undergoes a change of state at constant volume.
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiabatic process
4 Which of the following is a thermodynamic potential
A. Internal energy
B. Enthalpy
C. Gibb's free energy
D. All of these
5 Net change in entropy of a system in a Carnot's cycle in
A. Positive
B. Negative
C. Zero
D. Infinite
6 The total gain in entropy of the working substance in a Carnot cycle is.
A. Positive
B. Negative
C. Infinite
D. Constant
7 Which of the following is the ideal gas equation.
A. PV -n RT
B. P/V = n RT
C. V/P = nR/T
D. PV = T/nR
8 In which thermodynamic process enthalpy of the system remains constant.
A. Isenthalpic process
B. Isolated process
C. Isobaric process
D. Isochoric process
9 What is a measure of the total energy of a thermodynamics system.
A. Entropy
B. Enthalpy
C. Randomness
D. Chaos theory
10 The efficiency of Carnot engine is
A. Less than one
B. Zero
C. Greeter than one
D. Infinite

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