A) A ray of 610-nm light goes from air into fused quartz n = 1.456 at an incident angle of 50.

Find the refraction angle r = ?

B) A ray of 610-nm light goes from air into fused quartz n = 1.456 at an incident angle of 50. Using the answer of the refraction angle r from the previous question, at what incident angle must 470 nm light enter flint glass n = 1.684 to have the same angle of refraction?