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Consider the figure, which shows a parallel beam of light which impinges upon a transparent hemisphere.
Air
n
The direction of the light beam is perpendicular to the flat face of the hemisphere. The radius of the hemisphere is R = 7.00 cm,
and its index of refraction is n = 1.555. Assuming paraxial rays, what is the measure of q (in cm), the point at which the beam is
focused?
q =
cm
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