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 number of molecules or atoms in a specific volume of a gas is independent of their

Question # 2

How solid hydrogen is obtained.

Question # 3

How does heat transfer between objects.

Question # 4

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

Question # 5

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

Question # 6

If volume of the gas doubled without changing its temperature the pressure of the gas is

Question # 7

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

Question # 8

How do solar heat and light reach the Earth.

Question # 9

The pressure necessary to liquify a gas at the critical temperature is called.

Question # 10

Temperature of a gas is related to.

Question # 11

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

Question # 12

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 # 13

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

Question # 14

A diatomic gas contains only

Question # 15

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

Question # 16

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

Question # 17

One calorie equals to

Question # 18

Which of the following is a non contacting device that intercepts and measures thermal radiation.

Question # 19

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

Question # 20

The specific heat of all gases increases with temperature at high temperature decreases at low temperature expectation is

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In Isochoric process there is no
A. Work done
B. Internal energy change
C. Volume change or work done
D. Heat exchanged
2 No entropy change is associated with
A. Isothermal process
B. Adiabatic process
C. Isochoric process
D. Isoteric process
3 What is the average K.E. of gas molecules at temperature equal to K.
A. kt/3
B. 3/2 KT
C. 1/2 KT
D. 2/3 KT
4 Difference between Cp and Cv is equal to
A. General gas constant
B. Planck's conatant
C. Molar gas constant
D. Boltzmann's constant
5 What is world's average surface air temperature.
A. 5 oC
B. 10 oC
C. 15 oC
D. 20 oC
6 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
A. For all temperatures between 0 oC and 100 o C only
B. Only are the fixed points
C. For all temperatures at all times
D. When converted to the Kelvin scale
7 Mean free path in a gas is the
A. Distance travelled by a molecule before hitting a wall
B. Average distance travelled by a molecule in one second
C. Average distance travelled between molecules between any two successive collisions
D. Root mean square velocity
8 The ration Cv/Cp = y for a diatomic gas like air is
A. 1.29
B. 1.30
C. 1.40
D. 1.67
9 During solid ficain the temperature.
A. Remains constant at the freezing point
B. Increases at the freezing point
C. Decreases at the freezing point
D. Decreases at the melting point
10 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

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