A pencil flashlight submerged in water sends a light beam toward the surface at an angle of incidence of 30^\circ30 ∘ . what is the angle of refraction in air?
A pencil flashlight submerged in water sends a light beam toward the
surface at an angle of incidence of 30^\circ30 ∘ . what is the angle
of refraction in air?
You should really ask physics questions in physics
