Give any three examples of transformation of energy.

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Solution

One form of energy can be transformed into another form. This phenomenon is called energy transformation.
When hands are rubbed together, mechanical energy changes into heat energy due to the force of friction.
When a torch is switched on, the chemical energy of cells changes into electrical energy.
The electrical energy, on passing through the filament of the bulb, changes first into heat energy and then light energy.
In solar cells, light energy is converted into electrical energy.

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