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Q. |
The washing machine works on the principle of - |
A. | Dialysis |
B. | Diffusion |
C. | Reverse osmosis |
D. | Centrifugation |
Answer» D. Centrifugation | |
Explanation: Washing machines work on the principle of centrifugation. They are based on medium sized centrifuges that put an object in rotation around a fixed axis, applying force perpendicular to the axis. |
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