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A convex lens of focal length 10cm is cut vertically into two equal half and joined in such manner that curved faces of both touches each other. Find focal length of this combination. . .. ...... .ANS ; 10cm. .. .

A convex lens of focal length 10cm is cut vertically into two equal half and joined in such manner that curved faces of both touches each other. Find focal length of this combination. . .. ...... .ANS ; 10cm. .. .

Grade:12th pass

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