• The Experiment of Michelson and Morley: Experiment That Ruled Out Ether

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    • Keywords


      Propagation of light, ether, interferometer, vibration isolation, special theory of relativity.

    • Abstract


      Light was assumed to propagate in a medium called etherwhich was all pervading and stationary. Earth’s motionthrough ether was expected to have an effect on the velocityof light in the direction of the relative motion by the law ofaddition of velocities. Michelson–Morley experiment used aninterferometric technique to detect this effect and got a nullresult, which was the first strong evidence against existenceof ether and eventually had a natural explanation in specialtheory of relativity.

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