Multiple choice

Who invented electric bulb?

  1. Edison

  2. Newton

  3. Galileo

  4. Marconi
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Thomas Edison invented the first commercially practical incandescent light bulb in 1879. While other scientists like Swan had earlier versions, Edison's was the first successful and widely adopted design. Newton worked on gravity, Galileo on astronomy, and Marconi on radio.

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