Question

what is meant by angle of incidence​

Answer 1

Answer:

$\huge\underline\bold\red{Answer!!}$

$<font color="blue">$the angle which an incident line or ray makes with a perpendicular to the surface at the point of incidence.

Answer 2

Answer:

The angle which an incident line or ray makes with a perpendicular to the surface at the point of incidence.

Hope this will help there is a diagram also which will make you understand the concept better.