If the angle of incidence is 30∘ then find the unknown angle.
300
60°
90°
00
Law of reflection states,
∠ i = ∠ r = 30∘
Also, we know the normal makes an angle of 90∘ at the surface. Let the unknown angle be x.
⇒ x + 30∘ = 90∘
⇒ x = 60∘
If the angle of incidence is at 30∘. Find the angle of deflection, after reflecting 2 times.
If the angle of incidence is 30∘, then the angle of reflection will be