問題詳情
49. Given that the wavelengths of visible light range from 400 nm to 700 nm, what is the highestfrequency of visible light? (c = 3.0 x 108 m/s)
(A) 3.1 x 108 Hz
(B) 7.5 x 1014 Hz
(C) 2.3 x 1020 Hz
(D) 4.3 x 1014 Hz
(E) 5.0 x 108 Hz.
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增