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

Why freezer a refrigerator is located in the top section

Question # 2

Significant motion for the molecules of a monoatomic gas is.

Question # 3

The efficiency of Carnot engine is

Question # 4

When a solid is melting the temperature remains constant even through heat is being supplied because the

Question # 5

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.

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

When the temperature of a body is equal to that of the surrounding then the body appears

Question # 8

The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.

Question # 9

What happens to internal energy of a piece of lead when hammered.

Question # 10

What happens to Carnot efficiency if the source temperature increases.

Question # 11

In onw cycle of a steam engine there are how many dead centres.

Question # 12

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

Question # 13

Which quantity is common for systems in thermal equilibrium.

Question # 14

During an adiabatic gas expansion the environment

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

Net change in entropy of a system in a Carnot's cycle in

Question # 19

In ideal gas equation PV = nRT , R is

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 The heat required to sublime one mole of the substance at standard temperature and pressure is called.
A. Latest heat
B. Specific heat
C. Heat of sublimation
D. Heat capacity
3 Which of the following pairs represent units of the same physical quantity.
A. Kelvin and joule
B. Kelvin and calrorie
C. Newton and calorie
D. Joule and calorie
4 Law of increase of entropy is a result of
A. First law of thermodynamics
B. Second law of thermodynamics
C. Third law of thermodynamics
D. Zeroth law of thermodynamics
5 A standard fixed point for calibrating a thermometer is.
A. Boiling point of water
B. Melting point of ice
C. Temperature of steam
D. Triple point of water
6 The transfer of thermal energy between regions of matter due to a temperature gradient is called.
A. Conduction
B. Radiation
C. Convection
D. Sublimation
7 The mechanical equivalent of heat
A. Has the same dimension as heat
B. Has the same dimension as work
C. Has the same dimensions as energy
D. Is dimensionless
8 What happens to Carnot efficiency if the source temperature increases.
A. Decreases
B. Increases
C. Remain the same
D. Becomes zero
9 The process in which pressure of the system remains constant.
A. Isothermal process
B. Isochoric process
C. Isobaric process
D. Adiabatic process
10 How many calories of heat are required to evaporate completely 1 g or ice at 0 oC
A. 120 calories
B. 520 calories
C. 720 calories
D. 920 calories

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