What is the electromagnetic spectrum?
Physics
ScanSolve AI Answer
EM radiation travels as waves at the speed of light (c = 3×10⁸ m/s). From lowest to highest frequency: Radio → Microwave → Infrared → Visible light (ROYGBIV) → Ultraviolet → X-rays → Gamma rays. All EM waves: c = fλ. Higher frequency = higher energy (E = hf, where h = Planck's constant). Visible light: 400nm (violet) to 700nm (red). Applications: radio communication, microwave ovens, thermal imaging, medical X-rays.
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