問題詳情

55. When sitting in an airplane at an altitude of 10 km, you look down on the ground. Assuming thatyour pupil is about 1.5 mm in radius and considering the effect of diffraction only, what is theminimum separation s between objects on the ground that you can distinguish? (The wavelengthof visible light is around 500 nm.)
(A) 0.5 m
(B) 2 m
(C) 8 m
(D) 20 m
(E) 50 m

參考答案

答案:B
難度:計算中-1
書單:沒有書單,新增

用户評論

【用戶】面試倒楣鬼-22幸運上後西

【年級】大一下

【評論內容】所求 = 1.22*10000*500*10-9 /2*1.5*10-3 ~=  2m   (注意radius是半徑)

【用戶】面試倒楣鬼-22幸運上後西

【年級】大一下

【評論內容】所求 = 1.22*10000*500*10-9 /2*1.5*10-3 ~=  2m   (注意radius是半徑)