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 change in entropy for any reversible cycle is identically

Question # 2

The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.

Question # 3

If T1 and T2 are source and sink temperature respectively Carnot efficiency is.

Question # 4

Contrivances for converting heat into work are called.

Question # 5

Gas law PV = constant is for

Question # 6

A convention current is the movement of fluid caused by the change in.

Question # 7

The internal energy of an isolated system

Question # 8

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

Question # 9

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

Question # 10

By definition a gas is said to be have undergone adiabatic compressing when

Question # 11

Which one of the following temperature scales is independent of the properties of any particular substance.

Question # 12

The process in which pressure of the system remains constant.

Question # 13

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

Question # 14

The base unit of temperature in SI is

Question # 15

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

Question # 16

Difference between the molar heat capacity constant pressure and that a constant volume is equal to

Question # 17

If a gas does 10 J of external work white expanding then the change in internal energy is equal to.

Question # 18

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

Question # 19

Which of the following should not change in an Isothermal process.

Question # 20

if temperature eon Celsius scale is 50 oC the temperature on Fahrenheit scale will be.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 In Isochoric process there is no
A. Work done
B. Internal energy change
C. Volume change or work done
D. Heat exchanged
5 Which temperature is the absolute measure of temperature.
A. Thermodynamic temperature
B. Freezing point
C. Boiling point
D. Absolute zero
6 First law of thermodynamics is a
A. Boyle 's law
B. Charles' law
C. Law of energy conservation
D. Steffen Boltzmann law
7 When ever a system is made to complete a cyclic process the work done during the complete cycle.
A. Is zero
B. Is negative
C. Is positive
D. Depends upon the path followed
8 The number of molecules or atoms in a specific volume of a gas is independent of their
A. Volume
B. Pressure
C. Size
D. Temperature
9 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
10 A cup of coffee at 80 oC is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.
A. 0.04 kJ
B. 100 KJ
C. 60 kJ
D. 160 kJ

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