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

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

In the free expansion of a perfect gas there is no.

Question # 2

According to kinetic theory of gases one assumes that the collisions between molecules are.

Question # 3

Mean free path of gas molecules is inversely proportional to its.

Question # 4

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

Question # 5

Pressure of a gas depends upon

Question # 6

Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.

Question # 7

Which is the heat transfer mode between an object and its environment due to circular fluid motion.

Question # 8

On which temperature scale a degree is 1/180 of the interval between the freezing point and the boiling point.

Question # 9

Advantage of using gases as thermornetic substrates is taht

Question # 10

Which law states that if two systems are in thermal equilibrium with a third system they are also in the thermal equilibrium with each other.

Question # 11

The total gain in entropy of the working substance in a Carnot cycle is.

Question # 12

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

Question # 13

A diatomic gas contains only

Question # 14

In order of a cyclic heat engine operating between two heat reservoirs to be as efficient as a Carnot engine. It must be.

Question # 15

Temperature of a system remains constant in

Question # 16

The SI unit of heat capacity is.

Question # 17

The amount of heat needed per unit mass to raise the temperature of a system one degree at constant pressure is numerically aqual to

Question # 18

Triple point of water in Kelvin scale is

Question # 19

In free expansion of a gas. the internal energy of the system.

Question # 20

What is a thermal properly of a material that determines the quantity of energy required to change the phase of a unit mass of that substance.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The process in which pressure of the system remains constant.
A. Isothermal process
B. Isochoric process
C. Isobaric process
D. Adiabatic process
2 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
3 Which thermometer is called sprint thermometer
A. Alcohol thermometer
B. Mercury in glass thermometer
C. Gas thermometer
D. Radiation thermometer
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 The ration of Universal gas constant and Avogadro's number is called.
A. Equilibrium constant
B. Velocity constant
C. Boitzmann's constant
D. Gravitational constant
6 The normal Human body temperature in Fahrenheit scale is.
A. 32 oF
B. 40 oF
C. 98.4oF
D. 212 oF
7 Which of the following can be used visualize the third law thermodynamics
A. Light
B. Heat
C. Water
D. All of these
8 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
9 A Carnot engine can be 100% efficient of the sink is at.
A. 0 k
B. 0 oF
C. 0 oC
D. 273 K
10 Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.
A. They are equally efficient
B. A is less efficient than B
C. a is more efficient than B
D. Their efficiencies cannot be determined

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