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Question: Light from a torch held under water by a diver hits the surface at angle of incidence
a) 40 degrees
b) 55 degrees

In each case calculate the path of the light.

(Refractive index of water = 1.33)

I would like the workings and answer to this problem please.

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Solution Summary

This solution contains calculations to aid you in understanding how to calculate the path of light.

Solution Preview

Snell's Law states that: n1 sin theta1 = n2 sin theta2
For air, n2 = 1
(a) 1.33*sin 40 = sin theta2, which gives theta2 = arcsin(0.8549) = 58.75 ...

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