Physics · Optics and Wave Phenomenon
Red light is used in traffic signals primarily because ________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1the color of human blood is red
- 2most animals can identify red easily
- 3red light undergoes the least scattering and dispersion in air✓
- 4red is universally the sole symbol of danger
Correct answer
red light undergoes the least scattering and dispersion in air
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