Measuring The Speed Of Light, 1950's - Film 15119

The measurement of the speed of light and the whole film is animated. A diagram shows that the constant c (speed of light) occurs in several physics formulae such as in optics, in electromagnetism, in relativity and in atomic physics (Einstein's E=mc2). Diagrams describe how Fizeau in 1849 first measured the speed of light. Another diagram describes Foucault experiment to measure the speed of light, it is followed by Michelson's experiment which produced the value to be 2.99773 x 10 to the power 10 cm/se

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