EASY
9th CBSE
IMPORTANT
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Name the quantity whose unit is kilowatt-hour. (Energy/Power)

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Important Questions on Work and Energy

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 11
What is the common name of ‘1 kWh’ of electrical energy?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 12
A cell converts one form of energy into another form. Name the two forms.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 13
Name the device which converts electrical energy into mechanical energy.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 14
Name the devices or machines which converts mechanical energy into electrical energy.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 14

Name the devices or machines which converts chemical energy into electrical energy.

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 14
Name the devices or machines which converts electrical energy into heat energy.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 14
Name the devices or machines which converts light energy into electrical energy.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 14
Name the devices or machines which converts electrical energy into light energy.