What angle does this beam make with the normal inside water

Reference no: EM13505197

A beam of unpolarized sunlight strikes the vertical plastic wall of a water tank at an unknown angle. Some of the light reflects from the wall and enters the water (the figure ). The refractive index of the plastic wall is 1.65.

If the light that has been reflected from the wall into the water is observed to be completely polarized, what angle does this beam make with the normal inside the water?

Reference no: EM13505197

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