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OpenStudy (anonymous):
How did Michelson measure the speed of light? A. by watching for eclipses B. by using rotating mirrors to measure the time of round trip travel of light to a distant mountain C. by observing how light was refracted in passing from air to water D. by measuring the wavelength of light
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OpenStudy (michele_laino):
using his famous apparatus composed by two rotating mirrors. That experiment was performed a first time in Belino (Germany) and a second time in Cleveland (United States)
OpenStudy (anonymous):
ohh okay! so choice B? :O
OpenStudy (michele_laino):
yes!
OpenStudy (anonymous):
yay! thank you!!
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