9th Class Physics English Medium Chapter 6 Work and Energy Online Short Questions Preparation

9th Class Physics Chapter 6 Online Preparation

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Online Short Questions For Chapter 6 "9th Class Physics English Medium Chapter 6 Preparation "

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Total Questions10
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Physics (New Book) - 9th Class Physics English Medium Chapter 6 Preparation

Question # 1

What is meant by chemical energy

Ans 1: Chemical Energy: The energy released from substances during chemical reactions is called chemical energy
Ans 2: Sources of chemical energy: Energy of wood and coal from burning
Chemical is found in food and fuels.

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Prepare Complete Set Wise Questions For Chapter 6 "9th Class Physics English Medium Chapter 6 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

10 Questions
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Set 6

10 Questions
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Set 7

10 Questions
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Set 8

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Set 9

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Set 10

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Set 11

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9th Class Physics English Medium Chapter 6 Preparation - Set 1

Question # 1

What is meant by chemical energy

Ans 1: Chemical Energy: The energy released from substances during chemical reactions is called chemical energy
Ans 2: Sources of chemical energy: Energy of wood and coal from burning
Chemical is found in food and fuels.

Submit

9th Class Physics English Medium Chapter 6 Preparation - Set 2

Question # 1

What is soil erosion

Ans 1: As the rain water flows down its kinetic energy changes into thermal energy while parts of the kinetic energy of following water is used to wash away soil particles of rocks known as soil erosion.

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9th Class Physics English Medium Chapter 6 Preparation - Set 3

Question # 1

Write uses of energy, pollute our environment?

Ans 1: Burning of fuel and solid wastes in homes, automobiles and factories release harmful amounts of air pollutants
2- Nuclear power plants do not produce carbon dioxide, but they produce dangerous radioactive waste

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9th Class Physics English Medium Chapter 6 Preparation - Set 4

Question # 1

Differentiate between solar cell and solar penal

Ans 1: Solar Cell: Solar cell is made up from silicon water
Solar cells are used in calculators watches and toys.
Ans 2: Solar panel Large number of solar cells wired together to form solar panels
Solar panels are used in telephone booths. right houses and scientific research centres.

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9th Class Physics English Medium Chapter 6 Preparation - Set 5

Question # 1

To construct such a working system whose efficiency is 100% is impossible Why

Ans 1: To construct such a working system, whose efficiency is 100% is impossible because every system meets energy losses due to friction that causes heat, noise etc These are not the useful form of energyh and go waste.

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

Question # 1

How much work is done when a body moves with uniform velocity?

Ans 1: When a body moves with uniform velocity means moving with zero acceleration then work done will be zero

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9th Class Physics English Medium Chapter 6 Preparation - Set 7

Question # 1

Write down two ases of thermal pollution.

Ans 1: Global warming is the major causes of thermal pollution. The heat produced bby fission reaction causes thermal polution.

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

Question # 1

Define kinetic energy also give its formula

Ans 1: The energy possessed by a body due to its motion is called kinetic energy

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

Question # 1

How is energy converted from one form to another

Ans 1: Energy can be converted from one from to another form For example heat energy is converted into mechanical energy and electrical energy can be converted into light energy

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9th Class Physics English Medium Chapter 6 Preparation - Set 10

Question # 1

How solar energy can be converted directly into electricity

Ans 1: Solar energy can be converted directly into electricity by solar cells

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9th Class Physics English Medium Chapter 6 Preparation - Set 11

Question # 1

Define elastic potential energy

Ans 1: The energy possessed due to stretched position in a body is called elastic potential energy. It is stored potential energy in compressed spring

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Physics

6th Unit

9th class Physics Chapter 6 (English Medium)

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Matric Part 1/9th Class Physics Chapter 6 Short Question Test With Answer for Unit 6 Work and Energy

9th Class English Medium Subjects

9th Class Urdu Medium Subjects

Online Short Questions For Chapter 6 "9th Class Physics English Medium Chapter 6 Preparation "

Physics (New Book) - 9th Class Physics English Medium Chapter 6 Preparation

What is meant by chemical energy

What are effects of fossil fuels on human health

Mechanical energy converts into heat energy give its example

Write brief note on Einstein mass energy equation

What is soil erosion

What is photo cell

Define potential energy also give its formula

What are effects of fossil fuels on human health?

What is meant by term power?

Define Work and Joule

Prepare Complete Set Wise Questions For Chapter 6 "9th Class Physics English Medium Chapter 6 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 6 Preparation - Set 1

What is meant by chemical energy

What are effects of fossil fuels on human health

Mechanical energy converts into heat energy give its example

Write brief note on Einstein mass energy equation

What is soil erosion

What is photo cell

Define potential energy also give its formula

What are effects of fossil fuels on human health?

What is meant by term power?

Define Work and Joule

9th Class Physics English Medium Chapter 6 Preparation - Set 2

What is soil erosion

How do we gain energy from air

Define work and energy

State law of conservation of energy

How much power is used by a 40Kg athleteby climbing 10m high ladder in 10s

Define mechanical energy.

How can you find the efficiency of system

How solar energy can be converted directly into electricity?

Define geothermal energy and elastic potential energy

Differentiate between mechanical and chemical energy

9th Class Physics English Medium Chapter 6 Preparation - Set 3

Write uses of energy, pollute our environment?

Write names of two non-renewable and renewable sources of energy

Define power and watt

Write names of two renewable energy sources

What is meant by efficiency of a system?

How is energy produced from nuclear fuels

What is meant by term power

How do we gain energy from air

When does a force work

Give example of the renewable energy source

9th Class Physics English Medium Chapter 6 Preparation - Set 4

Differentiate between solar cell and solar penal

Name such a device that converts mechanical energy into electrical energy

Give a example of the renewable energy source.

Write brief note on Einstein mass energy equation

Write down the two disadvantages of fossil fuels

To construct such a working system whose efficiency is 100% is impossible Why

Define Potential energy and write its formula.

Write uses of energy, pollute our environment?

Write the uses of wind energy

What is soil erosion

9th Class Physics English Medium Chapter 6 Preparation - Set 5

To construct such a working system whose efficiency is 100% is impossible Why