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
Available Sets11

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

Question # 1

Define Elastic potential energy.

Ans 1: Elastic potential energy: 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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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

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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

10 Questions
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Set 11

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

Question # 1

Define Elastic potential energy.

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

Submit

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

Question # 1

Write the bigger units of power

Ans 1: Bigger Units bigger units of power: Bigger of power are kilowatt (kw), megawatt (MW) horse power The relation between them is as follow

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

Question # 1

What is the second name of solar cell and how it made

Ans 1: A solar cell also called photo cell. Solar cell made from silicon wafer. When sunlight falls on a solar cell, it converts the ight directly into electrical energy Solar cells are soused calculators, watches and toys.

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

Question # 1

On which factor work depends

Ans 1: Work: Work is done when a force acting on a body displaces in the direction of force
Formula: it is a scalar quantity
Ans 2: Dependent factors of force: Work depends upon three factors
Force f
Displacement covers

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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

Write brief note on Einstein mass energy equation

Ans 1: Einstein predicted the interconversion of matter and energy. According to him, a loss in the mass of a body provides a lot of energy This happen in the nuclear reaction The reaction between the mass m and energy E is given by Einstein's mass energy equation
The above equation shows that tremendous amount of energy can be obtained from small quantity of matter It happens that matter is a highly concentrated form of energy

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

Question # 1

Write equation for K.E and P.E

Ans 1: Kinetic energy: K.E 1/2
Where m is mass and v is velocity of body
Ans 2: Potential: energy: P.E mgh where h is height m is mass of body and g is gravitational acceleration

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

Question # 1

Why do we need energy

Ans 1: Energy: A body possesses energy if it is capable to do work
Ans 2: We Need Energy: We need energy toi perform various activities in our daily life

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

Question # 1

What is the second name of solar cell and how it made

Ans 1: A solar cell also called photo cell. Solar cell made from silicon wafer. When sunlight falls on a solar cell, it converts the ight directly into electrical energy Solar cells are soused calculators, watches and toys.

Submit

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

Question # 1

Define work. What is its SI unit.

Ans 1: Work: work is done when a force acting on a body displaces it in the direction it in the direction of force. W = Force x displacement w= F.S Unit: Its unit is newton meter or joule.

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

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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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

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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

Define Elastic potential energy.

Write down the name of two nuclear reactions.

On what parts a heating system consist of

Give a example of the renewable energy source.

Define energy, give two types of mechanical energy.

Mechanical energy can be converted in heat energy

What is meant by term power

Define unit of work

How is energy produced from nuclear fuels

Give purposes of solar panels

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

Define Elastic potential energy.

Write down the name of two nuclear reactions.

On what parts a heating system consist of

Give a example of the renewable energy source.

Define energy, give two types of mechanical energy.

Mechanical energy can be converted in heat energy

What is meant by term power

Define unit of work

How is energy produced from nuclear fuels

Give purposes of solar panels

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

Write the bigger units of power

Write down the two disadvantages of fossil fuels

Name the device that converts mechanical energy into electrical energy.

Define potential energy also give its formula

How solar energy can be converted directly into electricity?

Write the bigger units of power.

Which form of energy is most preferred and why

Where and why catalytic converter is to be used

Name such a device that converts mechanical energy into electrical energy

Define mechanical energy.

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

What is the second name of solar cell and how it made

When does a foce do work

What is meant by bio mass energy?

How a pole vaulter acquired changes of energy?

Differcreate between Mechanical energy and Sound energy

What is meant by Nuclear Energy

Prove that

Write down the two disadvantages of fossil fuels

How Biomass is used to obtain energy

Define Kinetic energy, also give its formula.

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

On which factor work depends

Define potential energy, also give its formula.

What are solar panels

Define Walt

Define power and watt

Define mechanical energy

When does a force do work? Explain.

How can you find the efficiency of system

Give the use of solar cell

Write the bigger units of power

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

Write the bigger units of power.