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 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 "

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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 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

Write the uses of wind energy

Ans 1: Use of Wind Energy: Wind energy is used as a source of energy for centuries
It has been used by windmills to grind grain and pump water It is also used to turn wind turbines.

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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

Differentiate between electrical energy and light

Ans 1: Electrical Energy: Electricity is one of the widely used form of energy
Electrical energy can be supplied through wires easily to any desired place
Electrical energy can get from batteries and electric generators.
Ans 2: Light is an important form of energy
Sun is the great source of light energy
Light energy can also be obtained from candles, electric bulds fluorescent tubes and also by burning fuel

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

Question # 1

Differentiate between mechanical and chemical energy

Ans 1: Mechanical Energy: The energy possessed by a body both due to its motion or position is called mechanical energy moving car wind lifted hammar posses mechanical energy
Ans 2: Chemical Energy: The energy releases during different chemical reaction called chemical energy i.e Energy from burning of wood coal or natural gas in air is chemical energy

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

Question # 1

Name two devices that convert electrical energy into mechanical energy

Ans 1: D.C motor and Electrical fane are those devices which convert electrical energy into mechanical energy

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

Question # 1

Define fission reaction

Ans 1: Fission reaction: Nuclear fussion is the process in which a large nucleus splits into smaller nuclei with the release of energy

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

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 9

Question # 1

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

Ans 1: m= 50kg
h = 3m
P.E = Mgh
= 3 x10 x 50
P.E = 1500

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

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 11

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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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

How solar energy can be converted directly into electricity

Define elastic potential energy

Define Potential energy and write its formula.

Write the bigger units of power

What are effects of fossil fuels on human health

How nuclear energy is obtained

Write down two ases of thermal pollution.

How a pole vaulter acquired changes of energy?

When does a force do work? Explain.

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

How solar energy can be converted directly into electricity

Define elastic potential energy

Define Potential energy and write its formula.

Write the bigger units of power

What are effects of fossil fuels on human health

How nuclear energy is obtained

Write down two ases of thermal pollution.

How a pole vaulter acquired changes of energy?

When does a force do work? Explain.

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

Write the uses of wind energy

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

Define elastic potential energy

Define kinetic energy and write tis equation

Define work. Write formula and unit.

Name such a device that converts mechanical energy into electrical energy

Name the device that converts mechanical energy into electrical energy.

Give purposes of solar panels

Write the mass energy equation and value of speed of light

Give the uses of solar cells.

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

How solar energy can be converted directly into electricity

Define fission reaction

Define potential energy also give its formula

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

How do we gain energy from air

Where and why catalytic converter is to be used

What two sources of non-renewable energy

What is meant by chemical energy

What is meant by Nuclear Energy

Define mechanical energy and write its types

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

Differentiate between electrical energy and light

Define chemical energy and write one method to obtain it

Define Potential energy and write its formula.

On what parts a heating system consist of

Define mechanical energy

Give example of the renewable energy source

When does a foce do work

Differentiate between mechanical and chemical energy

Write the bigger units of power.

When does a force work

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

Differentiate between mechanical and chemical energy