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

00:00
Question # 1

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

Question # 2

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

Question # 3

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

Question # 4

What type of process is the Carnot's cycle.

Question # 5

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

Question # 6

One calorie equals to

Question # 7

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

Question # 8

Which of the following parameters does not characterize the thermodynamic state of matter.

Question # 9

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

Question # 10

The kinetic molecular model of matter describe matter an being made up of molecules in continuous.

Question # 11

What is the total entropy change during an reversible cycle.

Question # 12

The SI unit of heat capacity is.

Question # 13

Mean free path of gas molecules is inversely proportional to its

Question # 14

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

Question # 15

Which one of the following gases posses maximum oot mean square velocity.

Question # 16

A heat engine with 100% efficiency would have to

Question # 17

The internal energy of an isolated system

Question # 18

The average K.E. of the molecules of an ideal gas in a closed rigid container is increased by a factor of 4 What happen to the pressure of the gas.

Question # 19

What is the amount of mechanical work done to melt 1 g of ic completely

Question # 20

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.

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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 On increasing the temperature of source efficiency of Carnot engine.
A. Increase
B. Decrease
C. First increases and then decreases
D. Does not change
3 The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.
A. 173 K
B. 931 K
C. 1073 K
D. 1193 K
4 The volume of a goas at constant pressure is directly proportional to the temperature as measured on the.
A. Celsius scale
B. Kelvin scale
C. Fahrenheit scale
D. Baume scale
5 The process is which volume of the system remains constant.
A. Isobaric process
B. Isochoric process
C. Isothermal process
D. Adiatatic process
6 A heat engine with 100% efficiency would have to.
A. Do no work
B. Be at uniform temperature
C. Use no heat
D. Discharge of 0 oC
7 Below which temperature gas can be liquified by increasing its pressure.
A. Natural temperature
B. Boyle temperature
C. Critical temperature
D. Absolute zero
8 Under an isothermal process internal energy of the system.
A. Increases
B. Decreases
C. Remain constant
D. is Zero
9 Difference between the molar heat capacity constant pressure and that a constant volume is equal to
A. Root mean square velocity
B. Mean free path
C. Boltzmann's constant
D. Universal gas constant
10 If volume of the gas doubled without changing its temperature the pressure of the gas is
A. Reduced to half of original value
B. Not changed
C. Reduced to one fourth of original value
D. Doubled

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