Question

A student studies that when a ray of light travel from air into the glass slab , the ray of light bends toward the normal . but as refracted ray emerges out of the glass slab to vacuum , it bends away from the normal .

which option explain the law of refraction of light through glass slab.

a. lights always bend towards the normal in a glass slab .
b. Ray of light travelling in the air is always considered as the incident Ray , and the one in the glass is the refracted ray .
c . the incident Ray , the refracted ray and the normal to the interface always lie on same plane .
d. Ray of light always travels in a straight path irrespective of change in medium ​

Answer 1

Answer:

option 'c' is correct answer