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

To construct such a working system whose efficiency is 100% is impossible Why

Ans 1: To construct such a working system, whose efficiency is 100% is impossible because every system meets energy losses due to friction that causes heat, noise etc These are not the useful form of energyh and go waste.

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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

10 Questions
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Set 3

10 Questions
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Set 4

10 Questions
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Set 5

10 Questions
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Set 6

10 Questions
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Set 7

10 Questions
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Set 8

10 Questions
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Set 9

10 Questions
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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

To construct such a working system whose efficiency is 100% is impossible Why

Ans 1: To construct such a working system, whose efficiency is 100% is impossible because every system meets energy losses due to friction that causes heat, noise etc These are not the useful form of energyh and go waste.

Submit

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

Question # 1

To construct such a working system whose efficiency is 100% is impossible Why

Ans 1: To construct such a working system, whose efficiency is 100% is impossible because every system meets energy losses due to friction that causes heat, noise etc These are not the useful form of energyh and go waste.

Submit

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

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 4

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 5

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 6

Question # 1

What are solar panels.

Ans 1: Large number of solar cells are wired together to form solar panels

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

Question # 1

On which parts solar house heating system consist of

Ans 1: A collector
A storage device
Distribution system

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

Question # 1

What are effects of fossil fuels on human health

Ans 1: It causes serious health problem such as headache, tension, nausea, allergic reaction and irritation of eyes, nose and throat.

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

Question # 1

Write down two ases of thermal pollution.

Ans 1: Global warming is the major causes of thermal pollution. The heat produced bby fission reaction causes thermal polution.

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

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 11

Question # 1

Write two disadvantages of thermal pollution

Ans 1: Thermal pollution upsets the balance of lift
Thermal pollution endanger the survival of many species.

Submit

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

To construct such a working system whose efficiency is 100% is impossible Why

Define Kinetic energy, also give its formula.

What is magma

Prove that

Write brief note on Einstein mass energy equation

Write equation for K.E and P.E

Write uses of energy, pollute our environment?

Define Work and Joule

What is meant by Energy from Biomass

Give a example of the renewable energy source.

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

To construct such a working system whose efficiency is 100% is impossible Why

Define Kinetic energy, also give its formula.

What is magma

Prove that

Write brief note on Einstein mass energy equation

Write equation for K.E and P.E

Write uses of energy, pollute our environment?

Define Work and Joule

What is meant by Energy from Biomass

Give a example of the renewable energy source.

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

To construct such a working system whose efficiency is 100% is impossible Why

Name such a device that converts mechanical energy into electrical energy

Define mechanical energy and write its types

On which parts solar house heating system consist of

When does a force work

Define chemical energy and write one method to obtain it

How can you find the efficiency of system

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

What is meant by bio mass energy?

Mechanical energy converts into heat energy give its example

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

Differentiate between mechanical and chemical energy

Define Kinetic energy, also give its formula.

Define Potential energy and write its formula.

Mechanical energy can be converted in heat energy

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

Define watt.

Write the names of major sources of Energy

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

Define potential energy and write its formula

How do we gain energy from air

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

How solar energy can be converted directly into electricity

How nuclear energy is obtained

Write equation for K.E and P.E

Define efficiency and write its equation

Mechanical energy converts into heat energy tive its example.

Define kinetic energy also give its formula

Define kinetic EnergyWrite its equation

Write the uses of wind energy

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

Write uses of energy, pollute our environment?

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

Define fission reaction