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Who was the first to prove the existence of electromagnetic waves?

James Clerk Maxwell

Heinrich Rudolf Hertz

Hendrik Lorentz

Wilhelm Conrad Röntgen

Heinrich Rudolf Hertz (1857-1894) was a German physicist who first conclusively proved the existence of the electromagnetic waves theorized by James Clerk Maxwell's electromagnetic theory of light. The unit of frequency — cycle per second — was named the "hertz" in his honor.

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Dragan wikipedia → Heinrich Hertz

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