In one series of measurements of the speed of light, Michelson used a path length L of
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In one series of measurements of the speed of light, Michelson used a path length L of 27.4 km (17 mi).
(a) What is the time needed for light to make the round trip of distance 2L?
(b) What is the classical correction term in seconds in Equation 1-5, assuming Earth’s speed is v = 10-4c?
(c) From about 1600 measurements, Michelson arrived at a result for the speed of light of 299,796 ±4 km/s. Is this experimental value accurate enough to be sensitive to the correction term in Equation 1-5?
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