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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Total Questions10
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Physics (New Book) - 9th Class Physics English Medium Chapter 8 Preparation

Question # 1

Define latent heat of fusion.

Ans 1: Heat energy required to change unit mass of a substance from solid to liquid state at its melting point without change in its temperature is called its latent heat of fusion.

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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

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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

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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

Define latent heat of fusion.

Ans 1: Heat energy required to change unit mass of a substance from solid to liquid state at its melting point without change in its temperature is called its latent heat of fusion.

Submit

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

Question # 1

We near white and light colored clothes in summer why?

Ans 1: During summer most of people preferto wear awhite dress because white reflects lights. So its order to keep your body temperature normal it,s better to wear awhite dress

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

Question # 1

What are the factors on which internal energy depends upon.

Ans 1: i. Mass of body ii. Kinetic energy of a body iii Potential energy of a body.

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

Question # 1

How can Celsius scale be converted into Kelvin and Fahrenheit scales

Ans 1: Celsius to Fahrenheit scale: The temperate T on Kelvin scale be obtained by adding 273 in the temperature C on Celsius scale Thus
Ans 2: Celsius to Fahrenheit scale: Since 100 divisions on Celsius scale are equal to 180 division on Fahrenheit scale Therefore, each division on Celsius scale is equal to 1.8 divisions on Fahrenheit scale Moreover correcsponds

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

Question # 1

What is meant by freezing point

Ans 1: The temperature at which a substance changes from liquid to solid state is called its freezing point
Ans 2: Example: The freezing point of water is

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

Question # 1

Why liquids expand on heating

Ans 1: On heating a liquid average amplitude of vibration of molecules increases molecules push each other and need more space to occupy Thus causes the expansion of liquids on eating

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

Question # 1

What is the thermos flask?

Ans 1: A thermos flask consists of a double-walled glass vessel.

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

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 English Medium Chapter 8 Preparation - Set 9

Question # 1

How temperature determines the direction of flow of heat

Ans 1: Temperature determines the direction of flow of heat as it flows from a hot body to a cold body until thermal equilibrium is reached
Ans 2: Example: When a cup of hot tea or water is placed in a room it cools down gradually it stops cooing as it reaches the room temperature.

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

Question # 1

Which flower is used as natrual thermometer?

Ans 1: The crocus flower is a natural thermometer. It opens when temperature is precisely 23 oC and closes when temperature drops.

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

Question # 1

Write the properties of thermometric substance

Ans 1: Thermometric substance should be visible have low freezing point high melting point good conductor of heat and small specific heat capacity

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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

9th Class Urdu Medium Subjects

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

Define latent heat of fusion.

We near white and light colored clothes in summer why?

Define thermal expansion

What is meant by conduction?

Define lower and upper fixed points

Differentiate between freezing and melting point

How evaporation differs from vaporization

Define upper and lower fixed points of a thermometer.

How can Celsius scale be converted into Kelvin and Fahrenheit scales

What is meant by thermal 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

Define latent heat of fusion.

We near white and light colored clothes in summer why?

Define thermal expansion

What is meant by conduction?

Define lower and upper fixed points

Differentiate between freezing and melting point

How evaporation differs from vaporization

Define upper and lower fixed points of a thermometer.

How can Celsius scale be converted into Kelvin and Fahrenheit scales

What is meant by thermal expansion

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

We near white and light colored clothes in summer why?

What is the use of thermometer

What meant by evaporation?

What is meant by freezing point

Define upper and lower fixed points of a thermometer.

Which flower is used as natural thermometer

Define latent heat of fusion

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

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

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

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

What are the factors on which internal energy depends upon.

Write the use and range of clinical thermometer

What is meant by anomalous expansion of water

What is the effect of surface area on the evaporation

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

Write a note on centigrade scale.

Define Lower fixed point.

Explain anomalous expansion of water

Define coefficient of linear thermal expansion.

Write a note on centigrade scale

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

How can Celsius scale be converted into Kelvin and Fahrenheit scales

Define heat capacity of a body

Write two factors on which evaporation dpends

What is Fahrenheit temperature scale?

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

Write two charactersticws of the liquid used in thermometer

Define thermal equilibrium

How specific heat differs from heat capacity

Why does heat flow from hot body to cold body

Differentiate between heat and Internal energy

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

What is meant by freezing point