–
red leaves at
–
violet leaves at
–
limit for this bow
Where the ray hits the drop
0.70
One bounce (main bow)
Two bounces (second bow)
Show 30 rays
Ray optics in a spherical drop, using refractive indices of 1.331 for red light and 1.343 for violet. Angles are measured from the antisolar point. Entry point 0 is the centre of the drop, 1 is its edge.