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

Certain gas are called permanent gases because.

Question # 2

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

Question # 3

Which quantity provides a quantitative measure of disorder.

Question # 4

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

Question # 5

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

Question # 6

When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.

Question # 7

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

Question # 8

Which one of the following is an example of a reversible process.

Question # 9

How do solar heat and light reach the Earth.

Question # 10

A standard fixed point for calibrating a thermometer is.

Question # 11

Because of second law of thermodynamics about the direction of energy flow what is possible.

Question # 12

What is world's average surface air temperature.

Question # 13

Which of the following is an example of irreversible process.

Question # 14

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 # 15

Which statement about convection is correct.

Question # 16

In which thermodynamic process enthalpy of the system remains constant.

Question # 17

The kinetic molecular model of matter describe matter an being made up of molecules in continuous.

Question # 18

The phenomenon of Brownian motion shows that

Question # 19

Triple point of water in Kelvin scale is

Question # 20

The expression PV/KT represents.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Identify the irreversible process
A. Explosion of a bomb
B. Slow expansion of a gas
C. Slow compression of a gas
D. Slow compression of an eleastic spring
2 Thermal conduction in metals differs from thermal conduction in insulators,. The reasons for this is that , in metals heat can be transported by.
A. Electrons
B. Lattice vibrations
C. Photons
D. Positive ions
3 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%
4 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
5 On which parameter, the heat capacity of a material depends upon.
A. Density of the material
B. Specific heat of the material
C. Temperature of the material
D. Structure of the material
6 According to kinetic energy of gases one assumes that the collisions between the molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic
7 What is the triple point of water.
A. 273 .15 K
B. 0 K
C. 100 K
D. 0 oC
8 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
9 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
10 Which quantity is common for systems in thermal equilibrium.
A. Heat
B. Temperature
C. Momentum
D. Specific heat

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