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

  • Total Questions20

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PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

The door of an operating refrigerator in a closed room is opened after sometime the temperature of the room will be

Question # 2

What is the total entropy change during an reversible cycle.

Question # 3

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

Question # 4

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

Question # 5

The product of mass and specific heat of a substance is called.

Question # 6

A given mass of air occupies 12 m2 at normal atmospheric pressure if the pressure is increased to 4 times the original value without changing the temperature what volume will the air occupy.

Question # 7

What is the necessary condition for Boyle's law to hold good.

Question # 8

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

Question # 9

Why an even Carnot engine Carnot give 100% efficiency.

Question # 10

How do solar heat and light reach the Earth.

Question # 11

Change in which parameter determines the work done by a gas during adiabatic prcoess.

Question # 12

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 # 13

The pressure of a goas is directly proportion to

Question # 14

The zero point of Kelvin scale is called.

Question # 15

A heat engine with 100% efficiency would have to.

Question # 16

In which thermodynamic process enthalpy of the system remains constant.

Question # 17

From any substance the temperature and pressure at which the material can coexist in all three states in equilibrium is called.

Question # 18

The specific heat of a substance is a function of its

Question # 19

Gas law PV = constant is for

Question # 20

The gas thermometer is taken as the primary standard because.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Gas exert pressure on walls of the visual because gas molecules.
A. Posses momentum
B. Have finite volume
C. Collide with each other
D. Obey gas laws
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 A gas thermometer is more sensitive than a mercury thermometer because the expansion of gas for 1 o/c rise in temperature is.
A. Five times as much as mercury
B. Ten times as much as mercury
C. Twenty times as much as mercury
D. Hundred times as much as mercury
4 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
5 Specific heat a different substances varies becouse of
A. Same number of molecules in unit mass
B. Different number of molecules in unit mass
C. Different K.E. of molecules in unit mass
D. Same K.E. of molecules in unit mass
6 What is world's average surface air temperature.
A. 5 oC
B. 10 oC
C. 15 oC
D. 20 oC
7 The process in which no heat enters or leaves the system is called.
A. Isdobaric
B. Isochoric
C. Isothermal
D. Adiabatic
8 According to kinetic theory of gases one assumes that the collisions between molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic
9 Which thermodynamic law state taht the entropy of a perfect system approaches zero.
A. Zeroth law of thermodynamics
B. First law of thermodynamics
C. Second law of thermodynamics
D. Third law of thermodynamics
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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