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Refraction of light below lake surface

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A point source of light is submerged 2.2 m below the surface of a lake and emits rays in all directions. On the surface of the lake, directly above the source, the area illuminated is a circle. What is the maximum radius that this circle could have?

© BrainMass Inc. brainmass.com September 21, 2018, 1:55 am ad1c9bdddf - https://brainmass.com/physics/light-refraction/refraction-of-light-below-lake-surface-46112

Solution Preview

n1 * sin(theta1) = n2 * sin(theta2)
=>1 = 1.33 * sin(theta2) (total ...

Solution Summary

Detailed solution to a refraction of light with a point source question. The maximum radius of the circle is also determined.

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