Question

For a particular value of i, r becomes 90 degree(n and there is total internal reflection). This particular angle of incidence is called................ *​

Answer 1

Answer:

Normal.

Explanation:

geometric optics, 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,

Hope it will help you and please follow me!!!

Answer 2

Answer:

acha apki marzi ho tab me online hi rahuga bas 6, 7 baje nahi rahuga