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

A heat engine with 100% efficiency would have to.

Question # 2

The pressure of a goas is directly proportion to

Question # 3

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

Question # 4

An ideal engine can be 100% efficient only if its exhaust temperatute.

Question # 5

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

Question # 6

The specific heat capacity of a substance is the amount of heat required to.

Question # 7

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

Question # 8

What is the SI unit for thermal conductivity.

Question # 9

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 # 10

Which of the following is an example of an irreversible process.

Question # 11

The heat required to sublime one mole of the substance at standard temperature and pressure is called.

Question # 12

Thermodynamics deals with

Question # 13

The actual gas can behave like an ideal gas at

Question # 14

The term used for heat capacity per unit mass is.

Question # 15

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 # 16

In ideal gas equation PV = nRT , R is

Question # 17

On which parameter, the heat capacity of a material depends upon.

Question # 18

Below which temperature gas can be liquified by increasing its pressure.

Question # 19

Which of the following gases has the maximum rms speed at STP.

Question # 20

The internal energy of monoatomic gas is.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The expression PV/KT represents.
A. Number of moles of the gas
B. Number of molecules in the gas
C. Total mass of the gas
D. Density of the gas
2 How do solar heat and light reach the Earth.
A. By radiation
B. By convection
C. By conduction
D. By conduction and convection
3 The pressure of a gas is directly proportions 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
4 For which process is the relation Delta Q = Delta V true.
A. Isothermal
B. Adiabatic
C. isobaric
D. Isochoric
5 The specific heat of a substance is a function of its
A. mass
B. Weight
C. Volume
D.
Molecular structure
6 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.
A. 500 J
B. 1000 J
C. -1000 J
D. Zero
7 Diffusion of gases occurs because the molecules of the
A. Gas present in a higher concentration exerts a high pressure
B. Gases are different
C. Gasses attract each other
D. Gasses over about randomly
8 The internal inertia of a thermodynamics system is known as.
A. Enthalpy
B. Entropy
C. Isotherm
D. Adiabatic
9 In which thermodynamic process enthalpy of the system remains constant.
A. Isenthalpic process
B. Isolated process
C. Isobaric process
D. Isochoric process
10 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%

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