Refraction Of Light Video Lessons

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Problem: Light traveling in water strikes a glass plate at an angle of incidence of 51.5°; part of the beam is reflected and part is refracted. If the reflected and refracted portions make an angle of 91.4° with each other, what is the index of refraction of the glass?

FREE Expert Solution

Snell's law:

η1sinθ1=η2sinθ2

At the glass water interface:

ηwsin(51.5°) = ηgsinθ

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Problem Details

Light traveling in water strikes a glass plate at an angle of incidence of 51.5°; part of the beam is reflected and part is refracted. If the reflected and refracted portions make an angle of 91.4° with each other, what is the index of refraction of the glass?

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