40. Two thin lenses are arranged as shown. A small sphere 1 mm in diameter is located on the axis
as shown. Calculate the diameter of the image of the sphere formed by light passing through both
lenses. Answer in mm. (If the image is inverted, it will still have the same diameter.)
(A) 8
(B) 4
(C) 2
(D) 1
阿摩線上測驗
登入
