問題詳情
22.一物體（箭頭表示）置於凸面鏡前主軸上，且垂直於主軸，如【圖22】所示。F為凸面鏡的虛焦點，求圖中的光線L經凸面鏡反射後的路徑為下列何者？ 
(A) A
(B)B
(C)C
(D)D
(A) A
(B)B
(C)C
(D)D
參考答案
答案：D
難度：適中0.585366
統計：A(2),B(1),C(14),D(24),E(0)
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