9th Class English Medium Physics Chapter 9 Transfer of Heat Short Questions With Answers

9th Class Physics Chapter 9 Online Preparation

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

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

Question # 1

What is thermal conductivity

Ans 1: Thermal conductivity: The rate of flow of heat across the opposite face of a meter cube of a substance is called thermal Conductivity of the substance
Ans 2: Unit: Wm k

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

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Set 2

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Set 3

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Set 4

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Set 5

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Set 6

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Set 7

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Set 8

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Set 9

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

Question # 1

What is thermal conductivity

Ans 1: Thermal conductivity: The rate of flow of heat across the opposite face of a meter cube of a substance is called thermal Conductivity of the substance
Ans 2: Unit: Wm k

Submit

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

Question # 1

Why we avoid wear dark colure dresses in summer season

Ans 1: Dark color absolves high energy radiations and becomes hot That is reason that we avoid wear dark color dresses in summer season

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

Question # 1

Differentiate between conduction and convection.

Ans 1: Conduction: The mode of transfer of heat by vibrating atoms and free electrons in solids from hot to cold parts of a body is called conduction of heat.
Ans 2: Convection: Transfer of heat by actual movement of molecules from hot place to a cold place is known as convection.

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

Question # 1

Define rate of flow of heat

Ans 1: The amount of heat that flow in unit time is called rate of flow heat
Ans 2: Unit: Its unit is js

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

Question # 1

Define sea breeze, how it is cause?

Ans 1: On a hot day, cold air from the sea beings to move towards the land, this is called sea land breeze.

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

Question # 1

What is global warming?

Ans 1: During the recent years, the percentage of carbon dioxide has been increased considerably.This has caused an increase in the average temperature of the Earth by trapping more heat due to greenhouse effect.This phenomenon is known as global warming.

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

Question # 1

Write two examples of good and bad conductors each

Ans 1: Good Conductors of Heat is Iron, Copper, Aluminum Bad conductors of heat is Wool ,Fur, Air

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

Question # 1

What is the thermos flask

Ans 1: The thermos flask is a double walled glass vessel, that prevent heat to enter or leave the flask and maintain the temperature inside the flask

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

Question # 1

What is meant by global warming

Ans 1: Global warming: An increase in the average temperature of Earth by trapping more heat due to greenhouse effect effect is called global warming
Ans 2: Cause of Global warming: The man cause of global warming is the percentage increment in the carbon dioxide gas in atmosphere

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9th class Physics Chapter 9 (English Medium)

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Matric Part 1/9th Class Physics Chapter 9 Short Question Test With Answer for Unit 9 Transfer of Heat

9th Class English Medium Subjects

9th Class Urdu Medium Subjects

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

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

What is thermal conductivity

Explain why

Write use of Styrofoam.

What is meant by convection current

What is the thermos flask

Differentiate between conductors and insulator

Transfer of Heat.

Write two examples of good and bad conductors each

Define rate of flow of heat?

Define thermals.

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

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

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

What is thermal conductivity

Explain why

Write use of Styrofoam.

What is meant by convection current

What is the thermos flask

Differentiate between conductors and insulator

Transfer of Heat.

Write two examples of good and bad conductors each

Define rate of flow of heat?

Define thermals.

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

Why we avoid wear dark colure dresses in summer season

Explain the impact of greenhouse effect in global

Where is convection currents used

Why transfer of heat in fluids takes place by convection

Define rate of flow of heat?

How heat energy from the sun reach to earth

Give two uses of convection currents

Define thermals.

Described an experiment of convection.

How various surfaces can be compared by a Lessie cube

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

Differentiate between conduction and convection.

How does the heat flow from hot to cold parts in metals rapidly than non-metals

Explain the impacted of treehouse effect in global warming

Write use of Styrofoam.

Why transfer of heat in fluids takes place by convection

Why is scientific reason to wear white and light coloured clothes in summer

Write any two measures to save energy

What is meant by transfer of heat

What measures do you suggest to conserve energy in houses

Write two uses of non-conductors

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

Define rate of flow of heat

What is the thermo flask?

Write any two uses of conductors

Which measures are taken to save energy

In a thermos flask, how heat is prevented to enter or leave the flask

Write difference between land breeze and sea breeze

What is meant by convection currents

Define convection

Define sea breeze how it is cause

Give two uses of convection currents

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

Define sea breeze, how it is cause?

Define convection current in air

Give two uses of convection currents.