Who experimentally measured the speed of light and how?Ole Roemer measured the speed by measuring the time light took to travel from Jupiter's moon lo, withknown orbital period, when came around the dark side of the planet JupiterAlbert A. Michelson measured the speed by having light travel a fixed distance off a mirror and a then arotating mirror that at the right speed reflected the light into a telescopeAlbert A. Michelson and Edward W. Morley measured the speed by combining and seeing interferencepatterns of two light beams, one travelled in the direction of earth's motion around the sun and oneperpendicular to the earth's motionGalileo Galilei measured the speed by standing a distance away from a tower where a pupil opened a latern ata fixed time

Ole Roemer was the first person who measured the speed of light.

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Who experimentally measured the speed of light and how?

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

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Concept explainers

Speed of light

The speed at which the light travels in a vacuum is unbiased for both the source and inertial frame of reference of the observer. This was postulated by the physicist, Albert Einstein, by observing the theory of electromagnetism of Maxwell. Also, there was no evidence for the luminiferous aether, that is, the medium for the propagation of light where the electromagnetic field exists.

Question

Who experimentally measured the speed of light and how?
Ole Roemer measured the speed by measuring the time light took to travel from Jupiter's moon lo, with
known orbital period, when came around the dark side of the planet Jupiter
Albert A. Michelson measured the speed by having light travel a fixed distance off a mirror and a then a
rotating mirror that at the right speed reflected the light into a telescope
Albert A. Michelson and Edward W. Morley measured the speed by combining and seeing interference
patterns of two light beams, one travelled in the direction of earth's motion around the sun and one
perpendicular to the earth's motion
Galileo Galilei measured the speed by standing a distance away from a tower where a pupil opened a latern at
a fixed time

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