Physics 9th Class English Medium Chapter 8 Thermal (Properties of Matter) Short Questions Preparation with Answers

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Online Short Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

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Physics (New Book) - 9th Class Physics English Medium Chapter 8 Preparation

Question # 1

Write a note on centigrade scale

Ans 1: On centigrade scale the interval between lower and upper fixed pints is divided into 100 equal part
Lower fixed point, upper fixed point is 100
Ans 2:

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Prepare Complete Set Wise Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

Set 1

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Set 2

10 Questions
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Set 3

10 Questions
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Set 4

10 Questions
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Set 5

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Set 6

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Set 7

10 Questions
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Set 8

10 Questions
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Set 9

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Set 10

10 Questions
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Set 11

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9th Class Physics English Medium Chapter 8 Preparation - Set 1

Question # 1

Write a note on centigrade scale

Ans 1: On centigrade scale the interval between lower and upper fixed pints is divided into 100 equal part
Lower fixed point, upper fixed point is 100
Ans 2:

Submit

9th Class Physics English Medium Chapter 8 Preparation - Set 2

Question # 1

Define heat

Ans 1: Heat is the energy that is transferred from one body to the other in thermal contact with each other as a result of the difference of temperature between them
Ans 2: Example: Heat is needed for cooking
Ans 3: Unit: Its unit is j

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9th Class Physics English Medium Chapter 8 Preparation - Set 3

Question # 1

What is meant by latent heat of fusion

Ans 1: Latent heat of fusion: Heat energy required to change unit mass of a substance from solid to liquid stte at its melting point without change it its temperature is called its latent heat of fusion denoted by
Ans 2: Formula The formula of latent heart of fusion of water
Unit: The S.I unit of latent heat of fusion is jkg

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9th Class Physics English Medium Chapter 8 Preparation - Set 4

Question # 1

What is the difference between linear thermal expansion and volume thermal expansion

Ans 1: Linear Thermal Expansion: The increase in the length of a solid on heating is called linear thermal expansion
The co-efficient of linear thermal expansion is and its value is
In any solid material or body the value of a is one third of that b
Ans 2: Volume Thermal Expansion: The increase in the volume of a solid on heating is called linear thermal expansion
The co-efficient of volume thermal expansion is b and its value is
In any solid body the value of b is always three times of that a

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9th Class Physics English Medium Chapter 8 Preparation - Set 5

Question # 1

How temperature affects evaporation

Ans 1: As temperature increases rate of evaporation also increases because on increasing temperature average kinetic energy of liquid molecules increases and there are more chances for molecules to escape out of liquid surface.

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9th Class Physics English Medium Chapter 8 Preparation - Set 6

Question # 1

What is meant by linear thermal expansion

Ans 1: If length of solid changes with change in temperature is called linear thermal expansion

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9th Class Physics English Medium Chapter 8 Preparation - Set 7

Question # 1

Why our clothes dry up more quickly in summer than in winter

Ans 1: Clothes dry up more quickly in summer than in winter because in summers temperature is high which inreases the rate of evaporation.

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9th Class Physics English Medium Chapter 8 Preparation - Set 8

Question # 1

Write equation of conversion from Kelvin scale to Celsius scle

Ans 1: The equation of conversion from Kelvin scale to Celsius scale is given below
C=t(k

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9th Class Physics English Medium Chapter 8 Preparation - Set 9

Question # 1

Define volume thermal expansion and temperature co-efficient of volume expansion

Ans 1: Volume thermal expansion: Solid material expend in volume when heated. This process is called volume thermal expansion.
Ans 2: Co-efficient of volumetric thermal expansion: The fractional change in the volume of a substance per kelvin change in temperature.
Ans 3: Unit: SI unit of volume expansion is k
The co-efficient if volumetric thermal expansion

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9th Class Physics English Medium Chapter 8 Preparation - Set 10

Question # 1

Define thermal expansion

Ans 1: Thermal expansion: Expansion due to heating is called thermal expension
Ans 2: Explanation: Most of the substances solids liquids and gases expand on heating and contract on coaling. The Kinetic energy of the molecules of an object depends on its temperature. The molecules of a solid vibrate with larger amplitude at high temperature than at low temperature.

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9th Class Physics English Medium Chapter 8 Preparation - Set 11

Question # 1

Write names of two scales of measuring temperature

Ans 1: There are three scales of measuring temperature.
Celsius scale
Fahrenheit scale

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9th class Physics Chapter 8 (English Medium)

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Matric Part 1/9th Class Physics Chapter 8 Short Question Test With Answer for Unit 8 Thermal Properties of Matter

9th Class English Medium Subjects

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Online Short Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

Physics (New Book) - 9th Class Physics English Medium Chapter 8 Preparation

Write a note on centigrade scale

Define upper and lower fixed points of a thermometer.

Write the use and range of clinical thermometer

How wind affects evaporation

How cooling is produced in refrigerator

Differentiate between heat and Internal energy

Write any two uses of thermal expansion in our daily life

How can Celsius scale be converted into Kelvin and Fahrenheit scales

What is the volumetric thermal expansion.

What is a relationship between the coefficient of linear and bolume expansion

Prepare Complete Set Wise Questions For Chapter 8 "9th Class Physics English Medium Chapter 8 Preparation "

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

9th Class Physics English Medium Chapter 8 Preparation - Set 1

Write a note on centigrade scale

Define upper and lower fixed points of a thermometer.

Write the use and range of clinical thermometer

How wind affects evaporation

How cooling is produced in refrigerator

Differentiate between heat and Internal energy

Write any two uses of thermal expansion in our daily life

How can Celsius scale be converted into Kelvin and Fahrenheit scales

What is the volumetric thermal expansion.

What is a relationship between the coefficient of linear and bolume expansion

9th Class Physics English Medium Chapter 8 Preparation - Set 2

Define heat

Which flower is used as natural thermometer

What is temperature

Define upper and lower fixed points of a thermometer

Define specific heat capacity How would you find the specific heat of a solid

What is meant by freezing point

What is the volumetric thermal expansion.

Write formula for heat capacity.

Define thermal equilibrium

How does heating, affect the motioin of molecules of a gas

9th Class Physics English Medium Chapter 8 Preparation - Set 3

What is meant by latent heat of fusion

What is thermometer?

Why temperature of lnd near water remains moderate

What is meant by internal energy of a body?

Write a note on centigrade scale.

Define Evaporation

Write the value of latent heat of fusion not aluminum and copper

Define Coefficient of linear thermal expansion and what is its SI unit

Define coefficient of linear thermal expansion.

Define coefficient of linear thermal expansion

9th Class Physics English Medium Chapter 8 Preparation - Set 4

What is the difference between linear thermal expansion and volume thermal expansion

What are Kelvin scale and Fahrenheit scale

What is Kelvin scale of temperature.

What are the factors on which internal energy depends upon.

Define heat capacity of a body.

Does water and spirit evaporate at the same rate

Differentiate between freezing and melting point

What is the volumetric thermal expansion.

How evaporation differs from vaporization

What is difference between temperature and heat

9th Class Physics English Medium Chapter 8 Preparation - Set 5

How temperature affects evaporation