問題詳情

10. An object

is placed between two mirrors of distance

apart. If object 

 isdistance

away from mirror 1 (see the right figure), what is the distance ofthe second closest image of object 

 that appears in mirror 1? (Hint: The closestone is 

.)


(A)


(B)28/3
(C)

  
(D)4

 
(E) 5

參考答案

答案：E
難度：計算中-1
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