The electromagnetic spectrum encompasses a wide range of wavelengths, from radio waves to gamma rays. The visible portion of this spectrum, which is perceived by the human eye, is commonly referred to as visible light. This range includes the colors of the rainbow, from red (longer wavelengths) to violet (shorter wavelengths).
The visible portion of the electromagnetic spectrum is
Asked in UPSC CDS 2 2018 · Topic: Optics (Wave Nature of Light: Huygens' Principle)
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