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

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

Question # 2

What should be the shape of an ideal thermometer.

Question # 3

What is the triple point of water.

Question # 4

If temperature of the sink is decreased the efficiency of a Carnot engine

Question # 5

What happens to Carnot efficiency if the source temperature increases.

Question # 6

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

Question # 7

Internal energy of a gas decreased when

Question # 8

Temperature of a system remains constant in

Question # 9

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

Question # 10

The heat accepted and rejected by a Carnot engine operating between two heat reservoirs defines.

Question # 11

Which of the following should not change in an Isothermal process.

Question # 12

What happen to entropy in an irreversible cycle.

Question # 13

The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.

Question # 14

The change in entropy for any reversible cycle is identically

Question # 15

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

Question # 16

If the gas pressure is increased then its mean free path becomes.

Question # 17

If the pressure of a gas is doubled, then its thermal conductivity will

Question # 18

If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.

Question # 19

Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.

Question # 20

What is world's average surface air temperature.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 The zero point of Kelvin scale is called.
A. Critical point
B. Terminal point
C. Absolute zero
D. Mid point
3 The mechanical equivalent of heat is.
A. Physical quantity
B. Constant
C. Conversion factor
D. Zero
4 What happen to entropy in an irreversible cycle.
A. No gain in entropy
B. No change in entropy
C. Loss of entropy
D. A net gain of entropy
5 Most cooking involves
A. Adiabatic process
B. Isothermal process
C. Isobaric process
D. Isochoric process
6 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
7 Why an even Carnot engine Carnot give 100% efficiency.
A. We cannot find ideal sources
B. We cannot eliminate friction
C. We cannot reach absolute zero temperature
D. We cannot remove heat
8 Which of the following should not change in an Isothermal process.
A. Volume
B. Pressure
C. Temperature
D. All of these
9 When heat a supplied to a metallic sphere which one of the following changes will occur.
A. the mass of the sphere increases
B. The volume of the sphere increases
C. The density of the sphere increases
D. The internal energy of the sphere increases
10 Which of the following in the best container for gas during adiabatic process.
A. Copper vessel
B. Thermos flask
C. Glass container
D. Wooden container

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