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

If the temperature of the source and sink are increased by same amount the efficiency of the engine.

Question # 2

Andrews isothermal helps to messure

Question # 3

Gas exert pressure on walls of the visual because gas molecules.

Question # 4

Triple point of water in Kelvin scale is

Question # 5

During solid ficain the temperature.

Question # 6

Thermodynamics concern its primary with the

Question # 7

The efficiency of Carnot engine is

Question # 8

The ideal thermal efficiency of a cyclic heat engine is limited by

Question # 9

Which quantity is common for systems in thermal equilibrium.

Question # 10

For which process is the relation Delta Q = Delta V true.

Question # 11

What should be the shape of an ideal thermometer.

Question # 12

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

Question # 13

Which one of the following gases posses maximum oot mean square velocity.

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

The law of equation of energy is applicable to the system whose constituents are.

Question # 16

Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.

Question # 17

What is the represented by the area inside the Carnot cycle.

Question # 18

A mercury thermometer has

Question # 19

How do solar heat and light reach the Earth.

Question # 20

What is the triple point of water.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change
2 Real gases obey gas laws only at
A. Low pressure and high temperature
B. High pressure and low temperature
C. High pressure and high temperature
D. Low pressure and low temperature
3 Woolen clothing a effective in keeping us warm because.
A. An trapped int he wool acts as an insulator
B. Heat loss by convection and radiation is prevented
C. Wool is bad traciator and good absorber of heat
D. Wool can retain high temperatures
4 What is the mean free path in a gas.
A. The distance travelled by a molecule before hitting a wall
B. the average distance travelled by a molecule in one second
C. the average distance travelled by molecules in one second
D. The root mean square velocity
5 What is the amount of mechanical work done to melt 1 g of ic completely
A. 4.2 J
B. 42 J
C. 80 J
D. 336 J
6 Mean free path of gas molecules is inversely proportional to its
A. Volume
B. Pressure
C. Temperature
D. Size
7 The ratio of specific heat capacity to motor heat capacity of a body
A. Is a universals cantante
B. Depends upon the mass of the body
C. Depends upon the molecular weight of the body
D. Is dimensionless
8 Difference between the molar heat capacity constant pressure and that a constant volume is equal to
A. Root mean square velocity
B. Mean free path
C. Boltzmann's constant
D. Universal gas constant
9 When a fluid in a cylinder expands through a distance 'd' against a piston of area 'A' which is exerting a constant pressure 'P' the work done is equal by.
A. PAD
B. PA/d
C. Pd/A
D. Pd/A2
10 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity

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