Two lamps 8 and 32 candela are placed 120cm apart. Find the position on the line joining them where a screen would be equally illuminated
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don't under the question pls write again don't B knew who this is di
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distance between 8 Cd lamp and screen be x m Distance between 32 Cd lamp and screen = (120 - x) m Under equal illumination, 8x2 = 32(120 - x)2 = ...
Missing: 120cm position
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