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

Temperature of a system remains constant in

Question # 2

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

Question # 3

An immersion heater rated at 150 W is fitted into a large block of ice at 0 oC. The specific latent heat of fusionism 300 J g-1. How long does it take to melt 10 g of ice.

Question # 4

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

Question # 5

At absolute zero of temperature.

Question # 6

Which gas strictly obeys gas laws.

Question # 7

Why freezer a refrigerator is located in the top section

Question # 8

A mercury in glass thermometer and thermocouple thermometer are both calibrated using the same fixed point of 0 oC and 100 oc when both temperature are used to measure the temperature of a body the temperature measured on both thermometers will be exactly the same

Question # 9

When all the systems taking part in a process are included, the entropy.

Question # 10

Contrivances for converting heat into work are called.

Question # 11

What is the human body temperature in Celsius scale.

Question # 12

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

Question # 13

Which law states that a change in the internal energy of a closed thermodynamic system is equal to the difference between the heat supplied to the system and teh amount of work by the system on the surrounding.

Question # 14

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 # 15

What is the internal energy of a mono atomic ideal gas.

Question # 16

Advantage of using gases as thermornetic substrates is taht

Question # 17

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

Question # 18

The zero point of Kelvin scale is called.

Question # 19

What type of process is the Carnot's cycle.

Question # 20

Which of the following is an example of irreversible process.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Gas law PV = constant is for
A. Adiabatic change
B. Isothermal changes
C. Isobaric changes
D. Isochoric changes
2 The follow of heat from hot body to cold body is an example of
A. Adiabatic process
B. Isothermal process
C. Reversible process
D. Irreversible process
3 Diffusion of gases occurs because the molecules of the
A. Gas present in a higher concentration exerts a high pressure
B. Gases are different
C. Gasses attract each other
D. Gasses over about randomly
4 Which of the following should not change in an Isothermal process.
A. Volume
B. Pressure
C. Temperature
D. All of these
5 The change in entropy for any reversible cycle is identically
A. Infinite
B. Positive
C. Negative
D. Zero
6 A frictionless heat engine can be 100% efficient only if its exhaust temperature is
A. Equal to the input temperature
B. Less than the input temperature
C. 0 oC
D. 0 K
7 In an isobaric process there is no.
A. Pressure change
B. Internal energy change
C. Heat exchanged
D. volume change or work done
8 Which of the following thermometers is the most suitable for measuring rapidly varying temperature.
A. Thermocouple thermometer
B. Mercury in glass thermometer
C. Alcohol in glass thermometer
D. Platinum resistance thermometer
9 If T1 and T2 are source and sink temperature respectively Carnot efficiency is.
A. T1+T2/T1
B. T1-T2/T1
C. T1+T2/T2
D. T1-T2/T2
10 A heat engine can develop efficiency equal to 100% if the temperature of the sink is
A. Less than that of source
B. Equal to that of source
C. 0 K
D. 0 oC

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