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Can you recall? · Q2

Q.What are electromagnetic waves?

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Waves of oscillating electric and magnetic fields propagating through space; they need no material medium and travel at the speed of light in vacuum.

Electromagnetic waves consist of mutually perpendicular oscillating electric and magnetic fields, propagating perpendicular to both. They require no material medium — they travel through vacuum at the speed of light. Visible light, infrared (thermal) radiation, radio waves and X-rays are all electromagn …

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