Question

If denotes a unit vector along an incident ray, a unit vector along the refracted ray into a medium of
refractive index 'r'and, a unit vector normal to the boundary of the media directed towards the incident
medium, then the law of refraction can be written as​

Answer 1

Explanation:

the answer is i cap x n cap = nu ( r cap x n cap

Answer 2

Answer:

i x n= μ (r x n)

hope it helps :)