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

  • Time Allowed20

PPSC Physics Topic 3 Thermal Properties of Matter

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Question # 1

Mean free path of gas molecules is inversely proportional to its

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

In an isochoric process.

Question # 9

Which kind of motion is exhibited by molecules of monoatomic gas.

Question # 10

When a perfect gas is supposed to expand freely in an isolated vessel the gas has undergone.

Question # 11

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

Question # 12

The ratio between the energy dissipated in some process and the heat that appears as a result is the

Question # 13

A fixed mass of an ideal gas absorbs 1000 J of heat and expands under a constant pressure of 20 kPa from a volume of 25 x 10-3 m3 to a volume 50 x 10-3 The change internal energy of the gas is.

Question # 14

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 # 15

Below which temperature gas can be liquified by increasing its pressure.

Question # 16

What happen to entropy in an irreversible cycle.

Question # 17

How does heat transfer between objects.

Question # 18

What makes the air coming out of a punctured tyre cool.

Question # 19

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

Question # 20

Which of the following pairs represent units of the same physical quantity.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Net change in entropy of a system in a Carnot's cycle in
A. Positive
B. Negative
C. Zero
D. Infinite
2 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
3 An immersion heater rated at 150 W is fitted into a large block of ice at 0 oC. The specific latent heat of fusionism 300 J g-1. How long does it take to melt 10 g of ice.
A. 5 s
B. 10 s
C. 15 s
D. 20 s
4 A standard fixed point for calibrating a thermometer is.
A. Boiling point of water
B. Melting point of ice
C. Temperature of steam
D. Triple point of water
5 The internal energy of monoatomic gas is.
A. 3/2 RT
B. Independent of temperature
C. In the form of K.E.
D. Partially kinetic and partially potential
6 The temperature of a certain substance in Celsius scale of temperature is 800 oC in Kelvin scale it is.
A. 173 K
B. 931 K
C. 1073 K
D. 1193 K
7 The base unit of temperature in SI is
A. Fahrenheit
B. Celsius
C. Kelvin
D. Rnakine
8 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
9 Which of the following is the ideal gas equation.
A. PV -n RT
B. P/V = n RT
C. V/P = nR/T
D. PV = T/nR
10 A mercury thermometer has
A. Low conductivity and low thermal capacity
B. High conductivity and high thermal capacity
C. Low conductivity and high thermal capacity
D. High conductivity and high thermal capacity

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