問題詳情

37. The wave length of yellow sodium light in air is 589 nm. What is its wave length in glass inwhich the velocity of light is 1.97 × 108 meters per second? Answer in nm.
(A) 256
(B)387
(C) 895
(D) 589

參考答案

答案:B
難度:困難0.375
統計:A(0),B(3),C(0),D(1),E(0)