本题目来源于试卷: Physics Unit23: Light and Geometric Optics，类别为 通用国际物理
[单选题]
A diver is 1.2 m beneath the surface of a still pond o rjtmc8(2o 7tgf water. At what angle mgr(xl9he0.rrfv tcl*.yj j3.vjv3+ eust the diver sh v yxcjv33feje0v*9.h.+grlr rjt(.line a beam of light toward the surface in order for a person on a distant bank to see it? (The index of refraction for water is 1.33.)
A. $41^{\circ}$
B. $49^{\circ}$
C. $59^{\circ}$
D. $90^{\circ}$
参考答案: B
本题详细解析:
暂无
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