Question

write the key word of following " Angle of incidence​

Answer 1

Answer:

angle i

Explanation:

the angle between incident ray and normal

Answer 2

Answer:

the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal. ... The angle of incidence at which light is first totally internally reflected is known as the critical angle.