Question : The washing machine works on the principle of
Option 1: Dialysis
Option 2: Diffusion
Option 3: Reverse osmosis
Option 4: Centrifugation
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Correct Answer: Centrifugation
Solution : The answer is Centrifugation.
Centrifugation is the separation of particles from a mixture using centrifugal force. The force that pushes outward on an object revolving in a circle is called centrifugal force. Clothes in a washing machine are put in a revolving drum that spins quickly.
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