DETAILS, FICTION AND HWGACOR

Given a spherical raindrop, and defining the perceived angle in the rainbow as 2φ, and the angle of The interior reflection as 2β, then the angle of incidence of your Sunshine's rays with respect for the drop's surface ordinary is twoβ − φ. Because the angle of refraction is β, Snell's law presents us至急です！！ 興味本位でアダ�