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

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

Question # 2

What is the minimum number of thermodynamic parameters required to specify the state of gas system.

Question # 3

Gas exert pressure on walls of the visual because gas molecules.

Question # 4

Triple point of water in Kelvin scale is

Question # 5

Mean free path of gas molecules is inversely proportional to its

Question # 6

Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.

Question # 7

The mechanical equivalent of heat

Question # 8

Which of the following is standard scale of temperature

Question # 9

Which temperature is the absolute measure of temperature.

Question # 10

An immersion heater rated at 150 W is fitted into a large block of ice at 0 oC. The specific latent heat of fusionism 300 J g-1. How long does it take to melt 10 g of ice.

Question # 11

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

Question # 12

First law of thermodynamics is a

Question # 13

A mercury thermometer has

Question # 14

In free expansion of a gas. the internal energy of the system.

Question # 15

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

Question # 16

The specific heat of a substance is a function of its

Question # 17

Significant motion for the molecules of a monoatomic gas is.

Question # 18

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

Question # 19

The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.

Question # 20

The change in entropy for any reversible cycle is identically

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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.
A. Positive is each case
B. Negative for i) and positive for ii)
C. Zero for i) and positive for ii)
D. Positive for i) and negative for ii)
2 A cup of coffee at 80 oC is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.
A. 0.04 kJ
B. 100 KJ
C. 60 kJ
D. 160 kJ
3 A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.
A. Mass of the upon
B. Area of cross section of the rod
C. Temperature gradient between two ends
D. Time for which heat flow through the rod
4 The practical efficiency of a heat engine is
A. 25% to 30.5 %
B. 35% to 45%
C. 30% to 45%
D. 15% to 25%
5 Which thermometer is called sprint thermometer
A. Alcohol thermometer
B. Mercury in glass thermometer
C. Gas thermometer
D. Radiation thermometer
6 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
7 Why an even Carnot engine Carnot give 100% efficiency.
A. We cannot find ideal sources
B. We cannot eliminate friction
C. We cannot reach absolute zero temperature
D. We cannot remove heat
8 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
9 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
10 Temperature of a system remains constant in
A. Adiabatic process
B. Isobaric process
C. Isothermal process
D. Isochoric process

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