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Old Aug 11th 2014, 09:39 AM   #1
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Position of image after two refraction

A point object is 25cm from the centre of glass sphere of radius 5cm. The refractive index of glass is 1.5 . Find the position of image formed by the refraction by first refracting surface . my ans is (1/00/20) + (1.5/v) = (0.5/5) , finally i get v = +30cm..
i am having problem with the position of image formed by the first and second refractive surface. the ans is +5.71cm. how to do this?
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