1. The problem statement, all variables and given/known data Monochromatic light of a wavelength of 5.20 x 10^2 nm enters glass (n=1.50). What is the frequency of light in the glass? 2. Relevant equations I am thinking I am supposed to use the formula : wave length = d(sin ( ) )/n and then v=Frequency(wave length) 3. The attempt at a solution This is where i got lost... I attempted to use the formulas but got really confused.