Question

1.) A scuba diver shines a flashlight from beneath the surface of water (n = 1.33) such that the light strikes the water-air boundary with an angle of incidence of 43°. At what angle is the beam refracted?

2.) A child sitting at the edge of a swimming pool sees a coin resting on the bottom of the pool. The coin appears to be 0.90 m directly below the water's surface. How deep is the pool at the location of the coin? The index of refraction of water is 1.33.

Answer 1