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How can the power of the combination expressed, if two lenses are equibiconcave and separated by a distance? |
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Answer» SOLUTION :`(1)/(F)= (1)/(-f_(1))+(1)/(-f_(2))-(d)/((f_(1))(f_(2)))` i.e.,`(1)/(-f)= (1)/(f_(1))+(1)/(f_(2))+(d)/(f_(1)f_(2))` |
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