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

  • Total Questions20

  • Time Allowed20

PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

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

Question # 2

Pressure of a gas depends upon

Question # 3

What is the triple point of water.

Question # 4

How do solar heat and light reach the Earth.

Question # 5

The transfer of thermal energy between regions of matter due to a temperature gradient is called.

Question # 6

The ration of Universal gas constant and Avogadro's number is called.

Question # 7

The mechanical equivalent of heat is.

Question # 8

What is the average K.E. of gas molecules at temperature equal to K.

Question # 9

If a gas does 10 J of external work white expanding then the change in internal energy is equal to.

Question # 10

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

Question # 11

Which gas strictly obeys gas laws.

Question # 12

Which of the following is standard scale of temperature

Question # 13

What kind of movement is dictated by the laws of thermodynamcis.

Question # 14

Efficiency of a Carnot engine depends on

Question # 15

if temperature eon Celsius scale is 50 oC the temperature on Fahrenheit scale will be.

Question # 16

The zero point of Kelvin scale is called.

Question # 17

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

Question # 18

Which of the following phenomenon gives evidence of the molecular structure of mater

Question # 19

What is the human body temperature in Celsius scale.

Question # 20

At absolute zero of temperature.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
2 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
3 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change
4 Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.
A. They are equally efficient
B. A is less efficient than B
C. a is more efficient than B
D. Their efficiencies cannot be determined
5 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
6 Which of the following should not change in isothermal operation.
A. Heat constant
B. Volume
C. Pressure
D. Temperature
7 First law of thermodynamics is a
A. Boyle 's law
B. Charles' law
C. Law of energy conservation
D. Steffen Boltzmann law
8 In a vacuum flask the vacuum prevents heat transfer by
A. Radiation only
B. Conduction only
C. Convection only
D. Conduction and convection
9 The normal Human body temperature in Fahrenheit scale is.
A. 32 oF
B. 40 oF
C. 98.4oF
D. 212 oF

10 The number of molecules or atoms in a specific volume of a gas is independent of their
A. Volume
B. Pressure
C. Size
D. Temperature

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