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 two sources of non-renewable energy

Ans 1: Non-renewable: Those sources of energy which finish with continous use of these source are called source of non-renewable energy
Fossil fuels,Nuclear fuels
Ans 2: Non-renewable resources: The fossil fuels took millions of years for their formation So they are known as non-renewable resources
Ans 3: Example: Oil, Coal, Gas etc.

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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 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 two sources of non-renewable energy

Ans 1: Non-renewable: Those sources of energy which finish with continous use of these source are called source of non-renewable energy
Fossil fuels,Nuclear fuels
Ans 2: Non-renewable resources: The fossil fuels took millions of years for their formation So they are known as non-renewable resources
Ans 3: Example: Oil, Coal, Gas etc.

Submit

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

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 3

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 4

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 5

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 6

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 7

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 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

When does a foce do work

Ans 1: When foce acts on the body and body covers some distance in the direction of force then we said force do work

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

Question # 1

What is photo cell?

Ans 1: A solar cell also called photo cell is made from silicon wafer. When sunlight falls on a solar cell. It converts the light directly into electrical energy.

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

Question # 1

Why fossil fuels are called non- renewable source of energy?

Ans 1: Fossil fuels are called non renewable source of energy because they will run out like coal, oil and gas.

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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 two sources of non-renewable energy

How can you find the efficiency of system

Differcreate between Mechanical energy and Sound energy

Define Kinetic energy, also give its formula.

Define gravitational potential energy.

Write uses of energy, pollute our environment?

Name such a device that converts mechanical energy into electrical energy

Define Energy

Write names of two renewable energy sources

Define kinetic energy and write tis equation

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 two sources of non-renewable energy

How can you find the efficiency of system

Differcreate between Mechanical energy and Sound energy

Define Kinetic energy, also give its formula.

Define gravitational potential energy.

Write uses of energy, pollute our environment?

Name such a device that converts mechanical energy into electrical energy

Define Energy

Write names of two renewable energy sources

Define kinetic energy and write tis equation

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

Define kinetic EnergyWrite its equation

Write uses of energy, pollute our environment?

What is meant by term power?

Define Elastic potential energy and give its example.

Write the uses of wind energy

Mechanical energy converts into heat energy give its example

State law of conservation of energy

What is meant by Nuclear Energy

What are effects of fossil fuels on human health

What is Magma?

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

How solar energy can be converted directly into electricity?

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?

Write the bigger units of power.

Define potential energy also give its formula

What is meant by efficiency of a system?

Why output energy is always less than the input energy

What is photo cell?

How is energy produced from nuclear fuels

How Biomass is used to obtain energy

Name two devices that convert electrical energy into mechanical energy

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

Why do we need energy

How can you find the efficiency of system

Prove that

Define work and energy

Define mechanical energy.

Define chemical energy and write one method to obtain it

State law of conservation of energy

Write brief note on Einstein mass energy equation

Define Work and Joule

Define kinetic energy and write tis equation

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

Define Elastic potential energy and give its example.