Physics/refraction question. Help please!

If a diver immersed in a large body of water with a refractive index of 1.33 looks up, he can see a circular disc of light from above. The radius of this circle is 2m.
(A) what is the critical angle of the water?
(B) how deep is the diver?
(C) how deep would the diver appear to be, when viewed from above
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Anonymous User
Asked Aug 19, 2015

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