What is the speed of a light ray (f   5.09 x 10 14 Hz) in corn oil?

Answer: 2.04*10^8 m/s

Explanation: The absolute index of refraction of corn oil is 1.47.

n=c/v

v=c/n; c=3.00*10^8m/s and n=1.47

So you take c divide by n, (3.00*10^8m/s) / 1.47 thne you will get about 2.04*10^8m/s