Use Snell's law to find the refractive index of an interface when the angle of incidence is 60∘ and the angle of refraction is 30∘.
The diagram alongside shows the refraction of a ray of light from air to a liquid.
(a) Write the values of (i) angle ofincidence, and (ii) angle of refraction.
(b) Use Snell's law to find the refractive index of liquid with respect to air.