Multiple choice

The theory that electromagnetic waves travel at the speed of light was 1st developed by whom?

  1. James Clerk Maxwell

  2. Albert Einstein

  3. Johannes Kepler

  4. Rene Descartes

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A Correct answer
Explanation

James Clerk Maxwell formulated the classical theory of electromagnetic radiation, bringing together electricity, magnetism, and light as manifestations of the same phenomenon and predicting the speed of light.