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

Which of the following measures how quickly the thermometer liquid mainly because it

Question # 2

The pressure of a gas is directly proportions to

Question # 3

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

Question # 4

The efficiency of a diesel engine is about

Question # 5

If the temperature of the source and sink are increased by same amount the efficiency of the engine.

Question # 6

The follow of heat from hot body to cold body is an example of

Question # 7

What is the represented by the area inside the Carnot cycle.

Question # 8

The kinetic molecular model of matter describe matter an being made up of molecules in continuous.

Question # 9

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

Question # 10

Diffusion of gases occurs because the molecules of the

Question # 11

Which of the following in the best container for gas during adiabatic process.

Question # 12

The mechanical equivalent of heat

Question # 13

The process in which pressure of the system remains constant.

Question # 14

The average K.E. of the molecules of an ideal gas in a closed rigid container is increased by a factor of 4 What happen to the pressure of the gas.

Question # 15

Two stem engine A and B have their sources at 900 K and 600 K and their sinks are at 450 K and 300 K respectively.

Question # 16

A heat engine with 100% efficiency would have to.

Question # 17

Which of the following has negative specific heat

Question # 18

How much lce will melt by 50,000 J of heat.

Question # 19

Which of the following is a non contacting device that intercepts and measures thermal radiation.

Question # 20

What happens to Carnot efficiency if the source temperature increases.

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PPSC Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Which of the following is a thermodynamic temperature scale.
A. Celsius scale
B. Fahrenheit scale
C. Kelvin scale
D. Rankine scale
2 The actual gas can behave like an ideal gas at
A. Low density and high pressure
B. High density and high pressure
C. Low density and low pressure
D. High density and low pressure
3 The mechanical equivalent of heat is.
A. Physical quantity
B. Constant
C. Conversion factor
D. Zero
4 A Carnot engine has the same efficiency between (i) 100 K and 500 K and ii) T and 900 K What will be T.
A. 90 K
B. 100 K
C. 180 K
D. 200 K
5 The thermal inertia of a thermodynamic system is known as its.
A. Entropy
B. Enthalpy
C. Isothermal conduction
D. Adiabatic conduction
6 The efficiency of a diesel engine is about
A. 15% to 35 5
B. 355 to 40%
C. 45% to 655
D. 505 to 65 %
7 If two gases have same reduced pressure volume and temperature it is according to
A. Boyle's law
B. Charles law
C. Law of corresponding state
D. Zeroth law
8 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
9 Mean free path of gas molecules is inversely proportional to its.
A. Volume
B. Pressure
C. Temperature
D. Weight
10 Which gas strictly obeys gas laws.
A. Hydrogen gas
B. Inert gas
C. Ideal perfect gas
D. Helium gas

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