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

10 Questions
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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

10 Questions
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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

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

Give the uses of solar cells.

Ans 1: Solar cells are used in calculators, watches and toys.

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

Question # 1

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?

Ans 1: W= 12J
E= 100 J
Efficiency = 12J/100J
= 0.12
% Efficiency = 0.12 x100
= 12%

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

Question # 1

Define potential energy also give its formula

Ans 1: Potential Energy: The energy possessed by a body to do work due to position is called potential energy There are two type of potential energy
Ans 2: Formula: P.E=mgh
Elastic potential energy
Gravitational potential energy

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

Question # 1

Define kinetic energy and write tis equation

Ans 1: Kinetic energy: The energy possessed by a body due to its motion is called its kinetic energy
Education K.E=1/2

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

Question # 1

Define efficiency and write its equation

Ans 1: Efficiency: Efficiency of a system is the ratio of required form of energy obtained from a system as output to the total energy give to it as input
Ans 2: Formula of Efficiency can be obtained by following

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

Question # 1

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?

Ans 1: W= 12J
E= 100 J
Efficiency = 12J/100J
= 0.12
% Efficiency = 0.12 x100
= 12%

Submit

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

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 9

Question # 1

Define heat energy

Ans 1: Heat Energy: A form of energy given out by hot bodies is called heat energy
Ans 2: Sources: Heat obtained by burning fuels
Sum, Friction forces

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

Question # 1

Define potential energy also give its formula

Ans 1: Potential Energy: The energy possessed by a body to do work due to position is called potential energy There are two type of potential energy
Ans 2: Formula: P.E=mgh
Elastic potential energy
Gravitational potential energy

Submit

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

Question # 1

What is soil erosion

Ans 1: As the rain water flows down its kinetic energy changes into thermal energy while parts of the kinetic energy of following water is used to wash away soil particles of rocks known as soil erosion.

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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

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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.

What is meant by bio mass energy?

What are the major sources of energy?

Define fission reaction

Why output energy is always less than the input energy

Write the bigger units of power.

Mechanical energy converts into heat energy tive its example.

Write the bigger units of power

Differentiate between mechanical and chemical energy

Write equation for K.E and P.E

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.

What is meant by bio mass energy?

What are the major sources of energy?

Define fission reaction

Why output energy is always less than the input energy

Write the bigger units of power.

Mechanical energy converts into heat energy tive its example.

Write the bigger units of power

Differentiate between mechanical and chemical energy

Write equation for K.E and P.E

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

Give the uses of solar cells.

When does a foce do work

Define Work and Joule

What are effects of fossil fuels on human health?

How solar energy can be converted directly into electricity

Define kinetic EnergyWrite its equation

What are solar panels

Mechanical energy converts into heat energy give its example

Define work. What is its SI unit.

What is meant by efficiency of a system?

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

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?

Define fission reaction

What are solar panels.

What is Magma?

What is meant by Energy from Biomass

Write brief note on Einstein mass energy equation

How can you find the efficiency of system

State law of conservation of energy

On what parts a heating system consist of

Write the mass energy equation and value of speed of light

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

Define potential energy also give its formula

Where and why catalytic converter is to be used

Define energy, give two types of mechanical energy.

How is energy converted from one form to another

Define mechanical energy.

What is meant by efficiency of a system?

Define mechanical energy

Write uses of energy, pollute our environment?

Define Work and Joule

When does a foce do work

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

Define kinetic energy and write tis equation