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

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

Question # 2

What is the heat required in Kilo joules when the temperature of 100 g of copper is raised thgough 20 K/. Specific heat capacity of copper is 0.4 x 10-3 kg -1 k-1

Question # 3

Below which temperature gas can be liquified by increasing its pressure.

Question # 4

Which of the following thermometers is the most suitable for measuring rapidly varying temperature.

Question # 5

A frictionless heat engine can be 100% efficient only if its exhaust temperature is

Question # 6

No entropy change is associated with

Question # 7

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

Question # 8

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

Question # 9

What should be the shape of an ideal thermometer.

Question # 10

The follow of heat from hot body to cold body is an example of

Question # 11

How many calories of heat are required to evaporate completely 1 g of ice at 0 oC

Question # 12

When a liquid is hated retaining its liquid sate then its molecules gain.

Question # 13

On which parameter internal energy of an ideal gas depends upon.

Question # 14

Which quantity must be the same for two bodies if they are to be in thermal equilibrium.

Question # 15

A heat engine with 100% efficiency would have to.

Question # 16

A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.

Question # 17

A heat engine can develop efficiency equal to 100% if the temperature of the sink is

Question # 18

On which parameter, the heat capacity of a material depends upon.

Question # 19

Which of the following should not change in isothermal operation.

Question # 20

If a gas does 10 J of external work white expanding then the change in internal energy is equal to.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In the free expansion of a perfect gas there is no.
A. work done
B. Heat exchnged
C. Internal energy changed
D. All of the above
2 The law of equation of energy is applicable to the system whose constituents are.
A. At rest
B. In orderly motion
C. in random motion
D. Moving at constant speed
3 In a vacuum flask the vacuum prevents heat transfer by
A. Radiation only
B. Conduction only
C. Convection only
D. Conduction and convection
4 At absolute zero of temperature.
A. The molecular energy is zero
B. Molecules have translational K.E
C. Molecules have rotational K.E.
D. Molecules have maximum energy
5 First law of thermodynamics is a
A. Boyle 's law
B. Charles' law
C. Law of energy conservation
D. Steffen Boltzmann law
6 Which of the following is standard scale of temperature
A. Mercury scale
B. Platinum resistance scale
C. Gas scale
D. Alcohol scale
7 The Fahrenheit and Kelvin scales intersect at
A. 40
B. -40
C. 140
D. -140
8 The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to
A. The specific heat
B. The specific thermal energy
C. The specific heat at constant pressure
D. the internal energy of the gas
9 The efficiency of Carnot engine is
A. Less than one
B. Zero
C. Greeter than one
D. Infinite
10 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change

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