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The Secondary Bow

المؤلف:  GEORGE A. HOADLEY

المصدر:  ESSENTIALS OF PHYSICS

الجزء والصفحة:  p-478

2025-12-20

565

The sun's rays striking on the lower side of the raindrop at A (Fig. 1) will be (in part) refracted and dispersed to VR, and then after two reflections

part of them will emerge from the drop, the red at an angle of 51° and the violet at an angle of 54° to the direction of the entering ray. This means that the eye will receive the violet ray from a higher elevation than the red ray, and hence that the violet will be on the outside of the secondary bow.