Question

derived Snell's law

class 12th ​

Answer 1

Answer:

$\huge{ \bold{ \boxed{ \pink{ \star{u = \frac{ \sin(i) }{ \cos(r) } }}}}}$

Answer 2

Answer:

When a light ray incident on an interface two optically different media then sin of incident angle and sin of emergence {refracted} angle are in the ratio equal to refractive index of second medium w.r.t that of first medium