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 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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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

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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

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

Submit

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

Question # 1

How much power is used by a 40Kg athleteby climbing 10m high ladder in 10s

Ans 1: m = 40 kg
t = 10s
h=S = 10m
F= w
F= mg
F= 4 x 10
F= 400N

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

Question # 1

Define unit of work.

Ans 1: Unit of work is joule. Amount of work is one joule when a force of one newton displaces a body through one meter in the direction of force. 1 J = 1 Nm

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

Question # 1

Define mechanical energy.

Ans 1: Energy in required form obtained from a working system is always less than the energy give to it as input. Because every system meet energy losses due to friction in the form of heat, noise etc.

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

Question # 1

Write the mass energy equation and value of speed of light

Ans 1: Mass Energy Equation: The Einstein's mass-energy equation states that mass and energy are interconvertible to each other
Ans 2: Equation: E=mc

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

Question # 1

How nuclear energy is obtained

Ans 1: Nuclear Energy: It is a form of energy which is released from the nucleus due to nuclear reactions such as fission or fusion reactions

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

Question # 1

Differcreate between Mechanical energy and Sound energy

Ans 1: Mechanical Energy: energy possessed by a body due to its motion or change in position is called mechanical energy
Ans 2: Sound Energy: Energy produced by a body due to its vibration is called sound energy

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

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 9

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 10

Question # 1

Write names of two non-renewable and renewable sources of energy

Ans 1: Non renewable sources of energy are
Fossil fuels
Nuclear fuels
Renewable source of energy are
solar energy, Wind energy

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

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 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

Define Elastic potential energy and give its example.

What is photo cell?

What is meant by bio mass energy

Define Walt

Define kinetic energy also give its formula

What is meant by Geothermal energy

Define power and watt

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?

What is meant by effieciency of a system

What is meant by chemical energy

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 and give its example.

What is photo cell?

What is meant by bio mass energy

Define Walt

Define kinetic energy also give its formula

What is meant by Geothermal energy

Define power and watt

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?

What is meant by effieciency of a system

What is meant by chemical energy

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

How much power is used by a 40Kg athleteby climbing 10m high ladder in 10s

Differcreate between Mechanical energy and Sound energy

Differentiate between mechanical and chemical energy

Define mechanical energy and write its types

How solar energy can be converted directly into electricity?

Write brief note on Einstein mass energy equation

What is meant by Nuclear Energy

Which form of energy is most preferred and why

What is meant by efficiency of a system?

Where and why catalytic converter is to be used

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

Define unit of work.

Differentiate between solar cell and solar penal

Define Energy

Write names of two non-renewable and renewable sources of energy

What two sources of non-renewable energy

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

Define work and energy

Define mechanical energy and write its types

What is meant by effieciency of a system

Define power and watt

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

Define mechanical energy.

Name such a device that converts mechanical energy into electrical energy

What are the major sources of energy?

What is difference between kinetic Energy and potential Energy

Define work and energy

Write down two ases of thermal pollution.

How nuclear energy is obtained

How do we gain energy from air

On which parts solar house heating system consist of

How can you find the efficiency of system

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

Write the mass energy equation and value of speed of light