Multiple choice general knowledge

Which of the following concepts did Einstein banish from physics?

  1. The photoelectric effect

  2. Blackbody radiation

  3. The Ether

  4. Electromagnetic induction.
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C Correct answer
Explanation

Einstein eliminated the luminiferous ether concept through his 1905 special relativity paper. The ether was hypothesized as the medium through which light waves propagated, but Einstein showed that electromagnetic waves could travel through a vacuum without any medium, making the ether concept unnecessary. This was a revolutionary departure from classical physics.

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