Question

12. A student traces the path of a ray of light passing through a rectangular slab for three
different values of angle of incidence (∠i ) namely 30o
, 45o and 60o
. He extends the direction
of incident ray by a dotted line and measures the perpendicular distance ‘l’ between the
extended incident ray and the emergent ray.

Answer 1

Answer:

So what's the question

Explanation:

Everything is actually given in the question and no other questions are asked