Question

hey every one......who gave the law of reflection?plz answer quickly ok..nah​

Answer 1

Ancient Greek mathematician Euclid described the law of reflection in about 300 BCE. This states that light travels in straight lines and reflects from a smooth surface at the same angle at which it hit it.

Answer 2

---- Angle of incidence is equal to angle of reflection

--- Incident ray, reflected ray & normal have to be on same plane.