Physics

A light ray in air strikes the surface of a lake at an angle of incidence of 46 degrees. What is the angle of refraction in the water?

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asked by Zeno
  1. Snell's Law says that
    1.0* sin I = N*sin R

    Use water's index of refraction N to calculate the angle R.

    Look up the index of refraction. It is about 1.33

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    posted by drwls

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