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QuestionAn innovative physics professor conducts laboratory exercises in the college swimming pool. The professor places a submersible laser under water (n = 1.3) and aims the beam at a block of glass (n = 1.5), which is also under water. At what angle of incidence will the reflected beam be totally polarized? ▸ 61° ▸ 49° ▸ 41° ▸ 39°
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