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

A convex lens if 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?

A convex lens if 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?

A convex lens is in contact with a concave lens. The magnitude of the ration of their focal lengths is 2//3 . Their equivalent focal length is 30cm. What are their individual focal lengths?

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?