A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length is 3/2. Their equivalent focal length is 30 cm. What are their individual focal lengths in cm
Sahay Sir > Question Answers > A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length is 3/2. Their equivalent focal length is 30 cm. What are their individual focal lengths in cm
A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length is 3/2. Their equivalent focal length is 30 cm. What are their individual focal lengths in cm A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length is 3/2. [...]