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

In ideal gas equation PV = nRT , R is

Question # 2

The expression PV/KT represents.

Question # 3

If T1 and T2 are source and sink temperature respectively Carnot efficiency is.

Question # 4

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 # 5

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 # 6

If the pressure of a gas is doubled, then its thermal conductivity will

Question # 7

What happen to entropy in an irreversible cycle.

Question # 8

Temperature of a system remains constant in

Question # 9

In the gas equation PV =nRT , V is the volume of.

Question # 10

A standard fixed point for calibrating a thermometer is.

Question # 11

The mechanical equivalent of heat

Question # 12

The efficiency of Carnot engine is

Question # 13

In which thermodynamic process enthalpy of the system remains constant.

Question # 14

Which statement about convection is correct.

Question # 15

Which of the following is the science of measuring the heat of chemical reactions or physical changes.

Question # 16

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

Question # 17

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

Question # 18

A 4 kJ mass of copper of specific heat capacity of 400 J kg-1k-1 is heated for 160 s by a heater of power 200 W what is the rise in temperature.

Question # 19

Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When heat a supplied to a metallic sphere which one of the following changes will occur.
A. the mass of the sphere increases
B. The volume of the sphere increases
C. The density of the sphere increases
D. The internal energy of the sphere increases
2 Change in which parameter determines the work done by a gas during adiabatic prcoess.
A. volume
B. Pressure
C. Temperature
D. Weight
3 Mean free path of gas molecules is inversely proportional to its
A. Volume
B. Pressure
C. Temperature
D. Size
4 In which given process does the system always return to the original thermodynamic state.
A. Cyclic
B. Adiabatic
C. isothermal
D. Isobaric
5 What is the SI unit for thermal conductivity.
A. W m-1 K-1
B. W m-2 k-2
C. W m-3 k-1
D. J kg -1 k-1
6 The pressure necessary to liquify a gas at the critical temperature is called.
A. Normal pressure
B. Atmospheric pressure
C. Critical pressure
D. Liquid pressure
7 Significant motion for the molecules of a monoatomic gas is.
A. Rotatory
B. Vibratory
C. Translatory
D. Random
8 The temperature of 1 kg of hydrogen gas is the same as that of 1 kg of helium gas if.
A. The gases have the same internal energy
B. The gas molecules occupy equal volumes
C. The gas molecules have the same root mean square speed
D. The gas molecules have same mean translational K.E.
9 To which law of thermodynamics, the concept of temperature is related to.
A. Zeroth law
B. First law
C. Second law
D. Third law
10 Mean free path of gas molecules in inversely proportional to its.
A. Weight
B. Temperature
C. Pressure
D. Volume

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