A laser beam with vacuum wavelength 582 nm is incident from aironto a block of Lucite as shown in the figure below. The line ofsight of the photograph is perpendicular to the plane in which thelight moves. Take θ1 to be 60°. Recall that the index of refractionof air is 1 and Lucite is 1.50. (a) Find the speed of the light inLucite.. m/s (b) Find the frequency of the light in Lucite.. Hz (c)Find the wavelength of the light in Lucite. nm
