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

Thermodynamics concern its primary with the

Question # 2

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

Question # 3

Andrews isothermal helps to messure

Question # 4

The zero point of Kelvin scale is called.

Question # 5

The specific heat of an ideal gas values as

Question # 6

What is the average K.E. of gas molecules at temperature equal to K.

Question # 7

The specific heat capacity of a substance is the amount of heat required to.

Question # 8

The pressure of a goas is directly proportion to

Question # 9

The thermal inertia of a thermodynamic system is known as its.

Question # 10

The phenomenon of Brownian motion shows that

Question # 11

Mean free path of gas molecules is inversely proportional to its

Question # 12

If we place oure hand below a lighted lamp we feel warmer due to.

Question # 13

Which of the following gases has the maximum rms speed at STP.

Question # 14

During solid ficain the temperature.

Question # 15

Because of second law of thermodynamics about the direction of energy flow what is possible.

Question # 16

An inflated tyre suddenly bursts As a result of this temperature of the surrounding

Question # 17

Pressure of a gas depends upon

Question # 18

The behavior of the gases that can be easily liquefied is like that of the.

Question # 19

The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.

Question # 20

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

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 In which temperature range water decreases in volume with increasing temperature.
A. From 0 oC to 4 oC
B. from 0 oC to 10 oC
C. from 50 oC to 100 oC
D. from 75 oC to 100 oC
3 The thermal inertia of a thermodynamic system is known as its.
A. Entropy
B. Enthalpy
C. Isothermal conduction
D. Adiabatic conduction
4 Which of the following has negative specific heat
A. Ne
B. CO2
C. O2
D. Sturated vapours
5 An ideal engine can be 100% efficient only if its exhaust temperatute.
A. Equal to input temperature
B. Less than is input temperature
C. More than its input temperature
D. 0 oC
6 If the pressure in a closed vessel is reduced by drawing some gas the mean free path of the gas molecules.
A. Decreases
B. Remains constant
C. Increases
D. First increases then decreases
7 When the temperature of source and sink of a heat engine become equal the entropy change will be.
A. Zero
B. Maximum
C. Minimum
D. Negative
8 In four stroke cycle the crank makes
A. One complete revolution
B. Two complete revolutions
C. three complete revolutions
D. Four complete reveolutions
9 Contrivances for converting heat into work are called.
A. Heat pumps
B. Heat engines
C. IC engines
D. Jet engine
10 According to kinetic energy of gases one assumes that the collisions between the molecules are.
A. Perfectly elastic
B. Perfectly inelastic
C. Partly elastic
D. Partly inelastic

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