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

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

Question # 2

Andrews isothermal helps to messure

Question # 3

Which thermodynamic law state taht the entropy of a perfect system approaches zero.

Question # 4

Efficiency of a Carnot engine can never be 1 or 100% unless cold reservoir is at absolute temperature.

Question # 5

The pressure of a gas is directly proportions to

Question # 6

Which one of the following gases posses maximum oot mean square velocity.

Question # 7

The practical efficiency of a heat engine is

Question # 8

The temperature which is the same in oC and oF is.

Question # 9

The process in which pressure of the system remains constant.

Question # 10

Which of the following is a clinical thermometer.

Question # 11

The specific heat of a substance is a function of its

Question # 12

Thermodynamics deals with

Question # 13

Which of the following has negative specific heat

Question # 14

In a vacuum flask the vacuum prevents heat transfer by

Question # 15

Let at constant temperature the pressure of an ideal gas be doubled so that the new volume is.

Question # 16

During an adiabatic gas expansion the environment

Question # 17

A diatomic gas contains only

Question # 18

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 # 19

The process in which a system undergoes a change of state at constant volume.

Question # 20

Gas law PV = constant is for

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which quantity is common for systems in thermal equilibrium.
A. Heat
B. Temperature
C. Momentum
D. Specific heat
2 What is world's average surface air temperature.
A. 5 oC
B. 10 oC
C. 15 oC
D. 20 oC
3 A heat engine with 100% efficiency would have to
A. Do no work
B. Be at a uniform temperature
C. Use no heat
D. Discharge at 0 oC
4 The ideal thermal efficiency of a cyclic heat engine is limited by
A. Friction in the engine
B. Amount of heat in the engine
C. Difference between input temperature and output temperature.
D. Amount of work
5 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
6 How much lce will melt by 50,000 J of heat.
A. 120 J
B. 130 g
C. 140 J
D. 150 g
7 Under steady state the temperature of a body
A. Increase's with time
B. Decreases with time
C. Does not charge with time
D. None of the above
8 The highest efficiency of a heat engine whose low temperature is 17 oC and the high temperature of 200 oC is.
A. 20%
B. 30%
C. 35%
D. 40%
9 Which of the following is standard scale of temperature
A. Mercury scale
B. Platinum resistance scale
C. Gas scale
D. Alcohol scale
10 If the gas pressure is increased then its mean free path becomes.
A. More
B. Zero
C. Infinite
D. Less

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