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

What is meant by Energy from Biomass

Ans 1: Biomass is plant or animal wastes also when animal during dead plants and dead animal decompose, they give off a mixture of methane and carbon dioxide. Electricity can produce by burning methane.

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

Ans 1: Biomass is plant or animal wastes also when animal during dead plants and dead animal decompose, they give off a mixture of methane and carbon dioxide. Electricity can produce by burning methane.

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

Question # 1

Give a example of the renewable energy source.

Ans 1: Sun light and water power are renewable energy source.

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

Question # 1

How can you find the efficiency of system

Ans 1: Efficiency of a system is the ratio of required form of energy obtained from a system as output to the total energy given to it as input
We can find the efficiency of a system by following formula

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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

What is meant by effieciency of a system

Ans 1: Efficiency of a system is the ration of required form of energy obtained from a system as output to the total energy given to it as input

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

Question # 1

Define Elastic potential energy and give its example.

Ans 1: Elastic Potential Energy:
The energy present in the stretchedbow is called elastic potential energy. A stretchedbow has potential energy due to its stretched position

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

Question # 1

Write the names of major sources of Energy

Ans 1: Major Source of Energy
Fossil fuels, Nuclear fuels, Sun, Water

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

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 9

Question # 1

Write down the name of two nuclear reactions

Ans 1: Fission and fusion are two major reactions which give out nuclear energy

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

Question # 1

Write names of two renewable energy sources

Ans 1: Name of renewable energy sources are
Energy from water, Energy from the sun, Biomass, Wind energy, Geothermal energy sources.

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

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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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 Energy from Biomass

Define kinetic EnergyWrite its equation

Give purposes of solar panels

How is energy converted from one form to another

What is meant by Geothermal energy

How solar energy can be converted directly into electricity

Give a example of the renewable energy source.

What is soil erosion

Name two devices that convert electrical energy into mechanical energy

Give the uses of solar cells.

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 Energy from Biomass

Define kinetic EnergyWrite its equation

Give purposes of solar panels

How is energy converted from one form to another

What is meant by Geothermal energy

How solar energy can be converted directly into electricity

Give a example of the renewable energy source.

What is soil erosion

Name two devices that convert electrical energy into mechanical energy

Give the uses of solar cells.

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

Give a example of the renewable energy source.

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

What is photo cell?

Why do we need energy

Write down the two disadvantages of fossil fuels

What is meant by efficiency of a system?

Mechanical energy converts into heat energy tive its example.

Define energy give two types of mechanical energy

Define kinetic energy also give its formula

Define fission reaction

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

How can you find the efficiency of system

Name such a device that converts mechanical energy into electrical energy

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

State law of conservation of energy.

What is meant by efficiency of a system?

Differentiate between electrical energy and light

What is meant by bio mass energy

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 what parts a heating system consist of

Define energy, give two types of mechanical energy.

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

On which factor work depends

Define Energy

How solar energy can be converted directly into electricity?

Write the names of major sources of Energy

Define power and watt

Which form of energy is most preferred and why

How a pole vaulter acquired changes of energy?

How nuclear energy is obtained

Define work and energy

What is meant by chemical energy

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

What is meant by effieciency of a system