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. `-75, 50`B. `-10, 15`C. `-75, 25`D. `-15, 10`

A convex lens is in contact with a concave lens. The magnitude of the

1.	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. `-75, 50`B. `-10, 15`C. `-75, 25`D. `-15, 10`
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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. `-75, 50`B. `-10, 15`C. `-75, 25`D. `-15, 10`

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