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9. Which of the following will show,"tyndal effect "? |
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Answer» effect, also called Tyndall phenomenon, scattering of a BEAM of light by a medium containing small suspended particles—e.g., smoke or DUST in a room, which makes VISIBLE a light beam entering a window. The effect is named for the 19th-century British physicist John Tyndall, who first STUDIED it EXTENSIVELY. |
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