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 "

Try The Short Questions For 9th Class Physics English Medium Chapter 6 Preparation

Total Questions10
Available Sets11

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

Question # 1

Differcreate between Mechanical energy and Sound energy

Ans 1: Mechanical Energy: energy possessed by a body due to its motion or change in position is called mechanical energy
Ans 2: Sound Energy: Energy produced by a body due to its vibration is called sound energy

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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

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Set 4

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Set 5

10 Questions
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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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Set 10

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Set 11

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

Question # 1

Differcreate between Mechanical energy and Sound energy

Ans 1: Mechanical Energy: energy possessed by a body due to its motion or change in position is called mechanical energy
Ans 2: Sound Energy: Energy produced by a body due to its vibration is called sound energy

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

Question # 1

Where and why catalytic converter is to be used

Ans 1: New cars have catalytic converters, These devices convert some polluting gases.

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

Question # 1

Define potential energy and write its formula

Ans 1: Potential energy: The energy possessed by a bogy due to tis position is known as its potential energy

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

Question # 1

Prove that

Ans 1: P=W/t
P=f.s/t
P=F.v

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

Question # 1

Write the bigger units of power.

Ans 1: Bigger units of power are kilowatt , megawatt, horse power.

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

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 7

Question # 1

When does a force work

Ans 1: In physics, work is done when a force acts on a body and moves it in the direction of the force
Ans 2: Explain: According to formula the work will be zero and IF work will also zero

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

Question # 1

What is meant by Geothermal energy

Ans 1: Geothermal energy: In some part of word the Earth provides us hot water from geysers and hot springs There is hot molten part deep in the Earth is called magma. Water reaching close to the magma changes to steam due to high temperature of megma This energy is called geothermal energy

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

Question # 1

Mechanical energy can be converted in heat energy

Ans 1: Explain with an example: By rubbing hands quickly these will be warmed Its means b rubbing hand muscular energy is used and as a result heat is produced, In this process of rubbing hands mechanical energy is converted into heat energy

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

Question # 1

Define kinetic EnergyWrite its equation

Ans 1: Kinetic Energy:
The energy possessed by a body due to its motion is called its kinetic energy.
K.E =1/2 mv²

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

Question # 1

Define chemical energy and write one method to obtain it

Ans 1: Chemical Energy: Energy produce during chemical reactions is called chemical energyMethod to Obtain it: Burning of coal, natural gas and wood in arit is chemical reaction which release energy as heat and light.

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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

Differcreate between Mechanical energy and Sound energy

Write down two ases of thermal pollution.

Define work. What is its SI unit.

Name two devices that convert electrical energy into mechanical energy

How can you find the efficiency of system

What is meant by term power

How solar energy can be converted directly into electricity

Define unit of work.

Define Work and Joule

Name the five devices that convert electrical energy into mechanical energy

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

Differcreate between Mechanical energy and Sound energy

Write down two ases of thermal pollution.

Define work. What is its SI unit.

Name two devices that convert electrical energy into mechanical energy

How can you find the efficiency of system

What is meant by term power

How solar energy can be converted directly into electricity

Define unit of work.

Define Work and Joule

Name the five devices that convert electrical energy into mechanical energy

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

Where and why catalytic converter is to be used

Write equation for K.E and P.E

On what parts a heating system consist of

Write uses of energy, pollute our environment?

Write the bigger units of power

What is photo cell?

How is energy converted from one form to another

Define mechanical energy.

How a pole vaulter acquired changes of energy?

Define geothermal energy and elastic potential energy

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

Define potential energy and write its formula

Mechanical energy can be converted in heat energy

Mechanical energy converts into heat energy give its example

State law of conservation of energy.

How a pole vaulter acquired changes of energy?

What is meant by term power?

Define kinetic energy also give its formula

Define mechanical energy.

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

A body of mass 50 kg is raised to a height of 3m what is its potential energy?

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

Prove that

What is meant by term power?

What two sources of non-renewable energy

What is photo cell

Define Kinetic energy, also give its formula.

Define kinetic EnergyWrite its equation

A cyclist does 12 joules of useful work while pedaling his bike from every 100 joules of food energy which he takes. What is his efficiency?

On which parts solar house heating system consist of

Differentiate between solar cell and solar penal

When does a force work

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

Write the bigger units of power.