Question

Explain about the below through a test

"Refraction through a rectangular glass slab"​

Answer 1

Answer:

Mark as brainlist, don't forget

Answer 2

Explanation:

Refraction through a rectangular glass slab and principle of reversibility of light: On entering the glass slab, it bends towards normal and travels along EF at an angle of refraction r. ... The refracted ray EF is incident on face SR at an angle of incidence r'.