Question

what is the angle of incedence if the rellected ray is at the angle of 90 to the incedent ray

Answer 1

The angle of incidence would be 45 degrees at the point of incidence...

And as angle of incidence = angle of reflection = 45 degrees

Therefor angle between incident ray and refleccted ray is 90 degrees..

Hope it helps please matk as brainliest...