問題詳情
12.光速在真空中為C,若進到某介質後速度變為0.5C,則某介質的折射率為
(A) 1
(B) 2
(C) 0.5
(D) 1.5
(E) 2.5。
(A) 1
(B) 2
(C) 0.5
(D) 1.5
(E) 2.5。
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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