A Scuba Diver Is $1.2 \mathrm {~m}$ Beneath the Surface of a Still Pond of Water

A scuba diver is $1.2 \mathrm {~m}$ beneath the surface of a still pond of water. At what angle relative to the normal at the surface must the diver shine a beam of light toward the surface in order for a person on a distant bank to be able to see it? The index of refraction for water is $1.33$ .

A) $41 ^ { \circ }$
B) $90 ^ { \circ }$
C) $59 ^ { \circ }$
D) $0 ^ { \circ }$
E) $48 ^ { \circ }$

Correct Answer:

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