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THE VALUES ARE MISSING IN THE QUESTION, PLEASE SOLVE? A beam of light is incident from...

THE VALUES ARE MISSING IN THE QUESTION, PLEASE SOLVE?

A beam of light is incident from air ( on the surface of a liquid. If angle of incidence is o and angle of refraction is o, find the index of refraction of liquid and the critical angle for the liquid surrounded by air. [Don’t forget, for the total internal reflection, light should go from the medium with larger index of refraction into the medium with smaller index of refraction.]
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