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

The specific heat of liquid

Question # 2

Internal energy of a gas decreased when

Question # 3

Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0

Question # 4

Which of the following has negative specific heat

Question # 5

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

Question # 6

In which temperature range water decreases in volume with increasing temperature.

Question # 7

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 # 8

In the gas equation PV =nRT , V is the volume of.

Question # 9

The process in which no heat enters or leaves the system is called.

Question # 10

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

Question # 11

If two gases have same reduced pressure volume and temperature it is according to

Question # 12

Advantage of using gases as thermornetic substrates is taht

Question # 13

If the number of gas molecules in a cubical vessel is increase from N to 3 N then its pressure and total energy will be.

Question # 14

A heat engine with 100% efficiency would have to

Question # 15

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

Question # 16

Which of the following is a thermodynamic temperature scale.

Question # 17

When heat a supplied to a metallic sphere which one of the following changes will occur.

Question # 18

Under an isothermal process internal energy of the system.

Question # 19

Identify the irreversible process

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 By definition a gas is said to be have undergone adiabatic compressing when
A. No heat exchange occurs between the gas and its surroundings
B. The gas is compressed quickly
C. The gas is compressed slowly
D. The temperature of the gas remains constant
2 Pressure of a gas depends upon
A. Only on the molecular speed
B. Only on the speed of molecules on a unit volume
C. Only on the mass of molecules
D. Number of molecules mass and speed in a unit volume
3 At the temperature of -273 oC. pressure of a gas at constant volume becomes zero This specific temperature is called.
A. Freezing point
B. Critical temperature
C. Absolute zero
D. Terminal point
4 The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be
A. Lowered
B. Raised
C. Unaffected
D. Become zero
5 Entropy of universe is increasing day by da due to.
A. Power generating processes
B. Energy used into work
C. Depletion of ozone
D. All of the above
6 The pressure of a gas is directly proportions to
A. Mean velocity of the molecules
B. Mean square velocity of the molecules
C. Root mean square velocity of the molecules
D. Instantaneous velocity of the molecules
7 How many calories of heat are required to evaporate completely 1 g or ice at 0 oC
A. 120 calories
B. 520 calories
C. 720 calories
D. 920 calories
8 Temperature of a gas is related to.
A. Total K.E. of the gas molecules
B. The K.E. of the centre of mass of the gas
C. The P.E. of the centre of mass of the gas
D. Total K.E. of the molecules w.r.t the centre of mass of gas
9 Thermodynamics deals with
A. Isolated systems
B. The interactions among various parts of the system
C. The microscopic behavior of a system
D. The interactions between system and surrounding
10 A metallic rod is continuously heated at its two ends, The heat following through the rod does not depend upon.
A. Mass of the upon
B. Area of cross section of the rod
C. Temperature gradient between two ends
D. Time for which heat flow through the rod

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