### At what angle to the normal does the ray enter the water

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##### Reference no: EM13339017

A ray of light is incident on the outer glass wall of an aquarium which have a refractive index of 1.51. If the reflected portion of the light is completely polarized at what angle to the normal does the ray enter the water?

[n(air)=1.0, n(water)=1.33]

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