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What is the index of refraction of the glass

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Reference no: EM132615557

A light ray in air strikes a glass surface with an angle of incidence of 30.0°. The angle of refraction in the glass is 20.0°.

a. What is the index of refraction of the glass?

b. At what angle would the light no longer refract and instead totally reflect internally?

Reference no: EM132615557

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