Question

10) In case of refraction through a glass slab, the
Choose
i) incident ray is parallel to the refracted ray
ii) angle of incidence is equal to the angle of refraction
iii) incident ray is parallel to the emergent ray
iv) angle of refraction is equal to the angle of emergence​

Answer 1

The incident ray the normal and the angle of incidence all lie on the same plane

sin i / sin r = constant

Two feet's - Go fc*k yourself by Deadpool

Answer 2

Answer:

3 is your correct answer