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The Michelson-Morley experiment established the fact that the velocity of light is

Question and options

The Michelson-Morley experiment established the fact that the velocity of light is
  1. constant and dependent on the frame of reference
  2. constant and independent of the frame of reference
  3. variable and independent of the frame of reference
  4. variable and dependent on the frame of reference

Answer and explanation

Correct answer: B - constant and independent of the frame of reference
The null result of Michelson-Morley showed the speed of light is constant and independent of the frame (no ether drift).

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