Question

explain the refraction of light through a glass slab with a ray diagram​

Answer 1

Answer:

One when it enters the glass slab from air and second time when it enters the air through glass slab. When light rays travelling through air enters glass slab, they get refracted and bend towards the normal. ... Since the ray of light I know travelling from denser medium to rarer medium, it bends away from the normal

Explanation:

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Answer 2

Answer:

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'.

Explanation: