A Ray of Light Is Shown Reflected and Refracted at the Surface

Multiple Choice

A ray of light is shown reflected and refracted at the surface of a liquid. From the diagram you can determine that the speed of light in this liquid is approximately

A) 1.83 × 10⁸ m/s.
B) 2.24 × 10⁸ m/s.
C) 3.00 × 10⁸ m/s.
D) 4.02 × 10⁸ m/s.
E) 2.50 × 10⁸ m/s.