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

An ice making machine extracts energy at the rate of 500 W The specific latent heat of fusion of ice is 300 kj kg-1. How long does it take to freeze 2 kg of water at 0 oC.

Question # 2

Which is the heat transfer mode between an object and its environment due to circular fluid motion.

Question # 3

From any substance the temperature and pressure at which the material can coexist in all three states in equilibrium is called.

Question # 4

During solid ficain the temperature.

Question # 5

Entropy of universe is increasing day by da due to.

Question # 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.

Question # 7

What happens to Carnot efficiency if the source temperature increases.

Question # 8

Which of the following parameters does not characterize the thermodynamic state of matter.

Question # 9

The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.

Question # 10

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

Question # 11

In four stroke cycle the crank makes

Question # 12

In which given process does the system always return to the original thermodynamic state.

Question # 13

By definition a gas is said to be have undergone adiabatic compressing when

Question # 14

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.

Question # 15

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

Question # 16

In ideal gas equation PV = nRT , R is

Question # 17

Which quantity is common for systems in thermal equilibrium.

Question # 18

The specific heat of liquid

Question # 19

The SI unit of heat capacity is.

Question # 20

Mean free path of gas molecules is inversely proportional to its

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which thermodynamic law state taht the entropy of a perfect system approaches zero.
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
2 Which of the following should not change in isothermal operation.
A. Heat constant
B. Volume
C. Pressure
D. Temperature
3 Entropy of universe is increasing day by da due to.
A. Power generating processes
B. Energy used into work
C. Depletion of ozone
D. All of the above
4 A cup of coffee at 80 oC is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.
A. 0.04 kJ
B. 100 KJ
C. 60 kJ
D. 160 kJ
5 In onw cycle of a steam engine there are how many dead centres.
A. 1
B. 2
C. 3
D. zero
6 Which gas strictly obeys gas laws.
A. Hydrogen gas
B. Inert gas
C. Ideal perfect gas
D. Helium gas
7 The ideal thermal efficiency of a cyclic heat engine is limited by
A. Friction in the engine
B. Amount of heat in the engine
C. Difference between input temperature and output temperature.
D. Amount of work
8 Change in which parameter determines the work done by a gas during adiabatic prcoess.
A. volume
B. Pressure
C. Temperature
D. Weight
9 What is the SI unit for thermal conductivity.
A. W m-1 K-1
B. W m-2 k-2
C. W m-3 k-1
D. J kg -1 k-1
10 A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is.
A. Five times as much as mercury
B. Ten times as much as mercury
C. Twenty times as much as mercury
D. Hundred times as much as mercury

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