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 of water. 1 kymosf4ti: sxcl( bv0jz5j)4w h+h. At whatdmfs;d-:rxu) egd.ehv 6z:6 b angle must the diver shin zgev.)6;x6fuedm sdb ::-hdre 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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