Rankers Physics
Topic: Ray Optics
Subtopic: Total Internal Reflection

A point source of light is kept at a depth of h in water of refractive index 4/3. The radius of the circle at the surface of water through which light emits is
\[\frac{3}{\sqrt{7}}h\]
\[\frac{\sqrt{7}}{3}h\]
\[\frac{\sqrt{3}}{7}h\]
\[\frac{7}{\sqrt{3}}h\]

No solution provided for this question.

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