Physics · Refraction of Light

A ray of light is incident on an interface separating two media at an angle of incidence equal to 45°, for which the angle of refraction is 30°. The refractive index of the second medium with respect to the first is equal to:

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A ray of light is incident on an interface separating two media at an angle of incidence equal to 45&deg;, for which the angle of refraction is 30&deg;. The refractive index of the second medium with respect to the first is equal to: