Question

during refraction of light through the glass slab incident ray and emergent Ray are parallel to each other explain

Answer 1

in case of a glass slab,the incident ray after refraction from the glass slab bends towards the normal and travels inside the glass slab in a straight line and suffers another refraction due to which the incident ray is parallel to emergent ray

Answer 2

8t is a good question 5o be asked  In the case of a glass slab,the incident ray after refraction from the glass slab bends towards the normal and travels inside the glass slab in a straight line and suffers another refraction due to which the incident ray is parallel to emergent ray. If you liked this answer so give a like By Dharam sehgal