如图所示,在平静的水面下有一点光源S,点光源到水面的距离为H,水对

如图所示,在平静的水面下有一点光源S,点光源到水面的距离为H,水对该光源发出的单色光的折射率为n,请解答下列问题:

(1)在水面上方可以看到一圆形的透光面,求该圆的半径.

(2)若该单色光在真空中的波长为λ0,该光在水中的波长为多少?

答案

(1)r=               (2)λ=

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