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

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

Question # 2

A Carnot engine can be 100% efficient of the sink is at.

Question # 3

The follow of heat from hot body to cold body is an example of

Question # 4

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

Question # 5

Diffusion of gases occurs because the molecules of the

Question # 6

Entropy of universe is increasing day by da due to.

Question # 7

The phenomenon of Brownian motion shows that

Question # 8

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

Question # 9

Change in which parameter determines the work done by a gas during adiabatic prcoess.

Question # 10

A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is.

Question # 11

Which of the following is a thermodynamic potential

Question # 12

The change in entropy for any reversible cycle is identically

Question # 13

What type of process is the Carnot's cycle.

Question # 14

What is the total entropy change during an reversible cycle.

Question # 15

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

Question # 16

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

Question # 17

The pressure of a gas is directly proportions to

Question # 18

In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.

Question # 19

How do solar heat and light reach the Earth.

Question # 20

Which of the following has maximum specific heat.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Contrivances for converting heat into work are called.
A. Heat pumps
B. Heat engines
C. IC engines
D. Jet engine
2 The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.
A. Celsius scale
B. Kelvin scale
C. Fahrenheit scale
D. Baume scale
3 Which is the heat transfer mode between an object and its environment due to circular fluid motion.
A. Conduction
B. Convection
C. Radiation
D. Mass transfer
4 Net change in entropy of a system in a Carnot's cycle in
A. Positive
B. Negative
C. Zero
D. Infinite
5 Andrews isothermal helps to messure
A. Boiling point
B. Boyle's temperature
C. Temperature of inversion
D. Critical temperature
6 The temperature which is the same in oC and oF is.
A. -20
B. -40
C. 20
D. 40
7 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
8 What is a measure of the total energy of a thermodynamics system.
A. Entropy
B. Enthalpy
C. Randomness
D. Chaos theory
9 Which of the following has negative specific heat
A. Ne
B. CO2
C. O2
D. Sturated vapours
10 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)

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