Question

What angle of reflection would you expect to get when the angle of incidence was 50 degrees?

Answer 1

according to the law of reflection of sound or light(law of reflection of sound and light are same).

angle of incident  = angle of reflection

so if the angle of incident is 50 degree then angle of reflection is 50 degree again

Answer 2

As angle of incidence is equal to the angle of reflection then:50°=50°

The angle of incidence will be 50 degrees