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 "

Try The Short Questions For 9th Class Physics English Medium Chapter 6 Preparation

Total Questions10
Available Sets11

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Physics (New Book) - 9th Class Physics English Medium Chapter 6 Preparation

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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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

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

Submit

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

Question # 1

Define mechanical energy and write its types

Ans 1: Mechanical energy: The energy possessed by a body both due to its motion or position is called mechanical energy
Ans 2: Types: There are two types of mechanical energy
Kinetic energy, potential energy
Ans 3: Examples: Water running down a stream wind a moving car a lifted hammer a stretched bow a catapult or a compressed spring etc possess mechanical energy

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

Question # 1

Define geothermal energy and elastic potential energy

Ans 1: Geothermal Energy: There is hot molton part, deep in the earth called magma water reaching close to the magma charges to steam due to the high temperature of magma This energy is called geothermal energy This energy can be utilized by drilling deep in the earth
Ans 2: Elastic potential energy: Energy of a compressed or stretched spring is known as elastic potential energy
Ans 3: Example: Stretch bow posses potential

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

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 5

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 . Formula: K.E.=1/2 mv2

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

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 . Formula: K.E.=1/2 mv2

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

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 8

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 9

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 10

Question # 1

Name such a device that converts mechanical energy into electrical energy

Ans 1: Generator is a device that converts mechanical energy into electrical energy

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

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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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

Why do we need energy

Write brief note on Einstein mass energy equation

Define energy give two types of mechanical energy

What is meant by chemical energy

Define work. What is its SI unit.

Define potential energy and write its formula

Name the five devices that convert electrical energy into mechanical energy.

Write the uses of wind energy

When does a foce do work

How Biomass is used to obtain 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

Why do we need energy

Write brief note on Einstein mass energy equation

Define energy give two types of mechanical energy

What is meant by chemical energy

Define work. What is its SI unit.

Define potential energy and write its formula

Name the five devices that convert electrical energy into mechanical energy.

Write the uses of wind energy

When does a foce do work

How Biomass is used to obtain energy

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

Define mechanical energy and write its types

Define chemical energy and write one method to obtain it

Define kinetic energy also give its formula

Which form of energy is most preferred and why

Differentiate between mechanical and chemical energy

Give the use of solar cell

Define Elastic potential energy and give its example.

What is soil erosion

What is meant by term power?

A crate is moved by pulling, with mass the attached to it.

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

Define geothermal energy and elastic potential energy

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

On what parts a heating system consist of

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

Define Energy

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

Why fossil fuels are called non-renewable form of energy

Write the names of major sources of Energy

Write down the two disadvantages of fossil fuels

How do we gain energy from air

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

What are solar panels.

What is magma

Define work. Write formula and unit.

What is meant by Energy from Biomass

Write the bigger units of power

State law of conservation of energy

How solar energy can be converted directly into electricity

Define Kinetic energy, also give its formula.

Define unit of work.

Define potential energy, also give its formula.

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

Define Kinetic energy, also give its formula.