Question

What is the angle of incidence of a ray if the reflected ray is at the angle of 90 degree to the incident ray​

Answer 1

Answer:

incident ray is also 90 degree because according to the law to reflection angle i = angle r

Answer 2

Answer:

45°

What is the angle of incidence of a ray if the reflected ray is at an angle of 90� to the incident ray? Ans. The angle of incidence ray will be 45°