A beam of light in air ( ) strikes the surface of a calm lake ( ) at relative to the…
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
A beam of light in air (n=1.00) strikes the surface of a calm lake (n=1.33) at 60∘ relative to the surface of the water. Which of the following is closest to the angle the refracted ray makes with the surface as it travels in the water?
(a) 42∘
(b) 68∘
(c) 22∘
(d) 48∘