Unit 8 Array Physics 9th Class Punjab MCQ Tests
9th Class Physics Unit 8 MCQ Tests
Unit 8 of 9th Class Physics has 30 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 30
Total Marks: 30
Time: 30 Mins
Total Questions: 30
Total Marks: 30
Time: 30 Mins
30Min : 00 Sec Remaining
Question # 1
Which of the following is the exact relation between the coefficient of volume expansion β and coefficient of linear expansion α?
Question # 2
Latent heat stands for
Question # 3
Which property of mercury enables it to be used in thermometer in order to measure the temperature?
Question # 4
Which of the following amounts of heat is required to increase the temperature of a 1 kg substance up to one degree?
Question # 5
Reverse process of melting is
Question # 6
Why is mercury used in glass thermometer as a working substance?
Question # 7
Earth surface becomes hot quickly as compared to water in water reservoirs. What is the reason?
Question # 8
Two rods of iron of same thickness are heated for same time interval using same source of heat. Rod 1 is 1 m long and rod 2 is 1.5 m long. Which one of these will expand more?
Question # 9
Which of the following must be increased to increase the evaporation of a liquid?
Question # 10
The normal temperature of human body is 37° C . Convert this temperature in Fahrenheit.
Question # 11
You often observe small gaps between the blocks of concrete of a bridge. These gaps are left in order to save the structure from cracking. Which of the following factors causes this cracking?
Question # 12
The boiling point of hydrogen is
Question # 13
For which conditions, wet clothes dry up in short time?
Question # 14
Increase in which of the following causes a decrease in evaporation of water?
Question # 15
2 kg of water is given 57 J heat for change in its temperature from 273 K to 283 K .What is the heat capacity of this amount of water?
Question # 16
The temperature of a hot cup of tea is 122° C . Convert it into kelvin scale.
Question # 17
A pure substance would freeze or solidify at its
Question # 18
The vapours of a liquid, after escaping from the surface of the liquid in a closed container, develop a pressure on the surface of the liquid. What do you call that pressure?
Question # 19
During the process of solidification, when the liquid is being changed into solid, the temperature at that period would
Question # 20
Evaporation is the process in which a liquid converts into vapours. What will be the temperature of the liquid?
Question # 21
Mercury has the boiling point of
Question # 22
Energy released or absorbed during change of state is known as
Question # 23
Kinetic energy is the highest and intermolecular bonds are the weakest in
Question # 24
Evaporation takes place
Question # 25
Two rods of steel of same length and thickness are heated. The temperature of rod 1 changes from 0 o C to 200 o C . The temperature of rod 2 changes from 100° C to 200° C . Which one will expand more?
Question # 26
Temperature in Coastal areas changes very less as compared to areas far from seas. Which of the following is the reason for this?
Question # 27
What is the temperature measurement range of alcohol thermometer?
Question # 28
Which of the following is not an application of thermal expansion?
Question # 29
Which of the following amounts of heat is required to increase the temperature of an object up to one degree?
Question # 30
Turning of liquid into gas is termed as
Total Questions
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Question # 1
Which of the following is the exact relation between the coefficient of volume expansion β and coefficient of linear expansion α?
Question # 2
Latent heat stands for
Question # 3
Which property of mercury enables it to be used in thermometer in order to measure the temperature?
Question # 4
Which of the following amounts of heat is required to increase the temperature of a 1 kg substance up to one degree?
Question # 5
Reverse process of melting is
Question # 6
Why is mercury used in glass thermometer as a working substance?
Question # 7
Earth surface becomes hot quickly as compared to water in water reservoirs. What is the reason?
Question # 8
Two rods of iron of same thickness are heated for same time interval using same source of heat. Rod 1 is 1 m long and rod 2 is 1.5 m long. Which one of these will expand more?
Question # 9
Which of the following must be increased to increase the evaporation of a liquid?
Question # 10
The normal temperature of human body is 37° C . Convert this temperature in Fahrenheit.
Question # 11
You often observe small gaps between the blocks of concrete of a bridge. These gaps are left in order to save the structure from cracking. Which of the following factors causes this cracking?
Question # 12
The boiling point of hydrogen is
Question # 13
For which conditions, wet clothes dry up in short time?
Question # 14
Increase in which of the following causes a decrease in evaporation of water?
Question # 15
2 kg of water is given 57 J heat for change in its temperature from 273 K to 283 K .What is the heat capacity of this amount of water?
Question # 16
The temperature of a hot cup of tea is 122° C . Convert it into kelvin scale.
Question # 17
A pure substance would freeze or solidify at its
Question # 18
The vapours of a liquid, after escaping from the surface of the liquid in a closed container, develop a pressure on the surface of the liquid. What do you call that pressure?
Question # 19
During the process of solidification, when the liquid is being changed into solid, the temperature at that period would
Question # 20
Evaporation is the process in which a liquid converts into vapours. What will be the temperature of the liquid?
Question # 21
Mercury has the boiling point of
Question # 22
Energy released or absorbed during change of state is known as
Question # 23
Kinetic energy is the highest and intermolecular bonds are the weakest in
Question # 24
Evaporation takes place
Question # 25
Two rods of steel of same length and thickness are heated. The temperature of rod 1 changes from 0 o C to 200 o C . The temperature of rod 2 changes from 100° C to 200° C . Which one will expand more?
Question # 26
Temperature in Coastal areas changes very less as compared to areas far from seas. Which of the following is the reason for this?
Question # 27
What is the temperature measurement range of alcohol thermometer?
Question # 28
Which of the following is not an application of thermal expansion?
Question # 29
Which of the following amounts of heat is required to increase the temperature of an object up to one degree?
Question # 30
Turning of liquid into gas is termed as
Total Questions
123456789101112131415161718192021222324252627282930
Physics MCQ Test by Topics
- +8.1 Temperature and Heat
- +8.2 Thermometer
- +8.2 Liquid-in-Glass Thermometer
- +8.2 Lower and upper fixed points
- +8.2 Scales and Temperatures
- +8.2 Conversion of temperature from one scale into other temperature scale
- +8.3 Specific Heat Capacity
- +8.3 Importance of Large Specific Heat Capacity of water
- +8.3 Heat Capacity
- +8.4 Change of State
- +8.5 Latent Heat of Fusion
- +8.6 Latent Heat of Vaporization
- +8.7 The Evaporation
- +8.7 Temperature
- +8.7 Surface Area
- +8.7 Wind
- +8.7 Nature of the Liquid
- +8.8 Thermal Expansion
- +8.8 Linear Thermal Expansion in Solids
- +8.8 Volume Thermal Expansion
- +8.8 Consequences of Thermal Expansion
- +8.8 Applications of Thermal Expansion
- +8.8 Bimetal Strip
- +8.8 Thermal Expansion of Liquids
Physics
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Updated on: 01-09-2026
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