A convex lens is in contact with concave lens. The magnitude of the ra – InterviewSolution

1.	A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length is (2/3). Their equivalent focal length is 30 cm. What are their individual focal lengths (in cm)?
Answer» A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length is (2/3). Their equivalent focal length is 30 cm. What are their individual focal lengths (in cm)?

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