Exam-style question
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Which of the following best describes the relationship between the Michelson-Morley experiment and the theory of special relativity?.
- A.It provided experimental evidence for time dilation
- B.It confirmed the ether theory
- C.It demonstrated the constancy of light speed, a key postulate of special relativity
- D.It showed that mass and energy are interchangeable
Model answer
What a good answer should say
- It demonstrated the constancy of light speed, a key postulate of special relativity
Explanation
Why this works
The Michelson-Morley experiment's findings supported the postulate of special relativity that the speed of light is constant in all inertial frames, which was a revolutionary concept at the time.
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