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How did a spinning octagonal mirror help michelson calculate the time that light took to make the round trip to the distact mountain?
Wiki User
∙ 11y ago
He adjusted the mirror so that the beam of light would reflect back into his lens. As the mirror was spinning around (1/8 of rotation) it shot short burst of light off the mountain mirror and into the spinning octagonal mirror, helping him calculate speed of light at around 300,000 km/s.
Wiki User
∙ 11y ago
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What has the author Patricia Baines written?
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How do you say spinning in spanish?
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In 1764 James Hargreaves invented the spinning Hargreaves?
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What is an appliance for spinning yarn?
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