Question

When a light ray is allowed to travel through a glass slab, do you observe any deviation in its path?

Answer 1

yes

we know that when light travels from rarer medium to denser medium it bends towards the normal creating deviation in its path

your the air is the rarer medium and the glass slab is the denser medium

I hope this helps ( ╹▽╹ )

Answer 2

Answer:

it goes straight .

Explanation:

as light always travels in a straight path