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Grade 12th passDiscuss with colleagues and IITians

conjugate foci method in convex lens formula is f=l^2-d^2/4l.so please given proof?

Profile image of govardhan
10 Years agoGrade 12th pass
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1 Answer

Profile image of Sourabh Singh
10 Years ago
Hii

Your question is not clear .So repost the question and we will get back at you.