Physics · Ray Optics
Between the primary and secondary rainbows, there is a dark band known as Alexander's dark band. This phenomenon occurs because:
- 1no light is scattered by single or double reflection from raindrops into the angular region between approximately 42° and 50°.✓
- 2the region corresponds to a blind spot in the human eye configuration.
- 3the droplets absorb all components of visible light in this specific region.
- 4light scattered into this region undergoes complete destructive interference.
Correct answer
no light is scattered by single or double reflection from raindrops into the angular region between approximately 42° and 50°.
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