Relativity and Cosmology


Speed of Microwave in Standing Wave

Authors: Eric Su

A standing wave consists of two identical waves moving in opposite direction. A frequency detector moving toward the standing wave will detect two different frequencies. One is blueshifted, the other is redshifted. The distance between two adjacent nodes in the standing wave is equal to half of the wavelength of both waves. Consequently, the wave detector will detect different speeds from both waves due to the same wavelength and the different frequencies. The calculation of speed is demonstrated with a typical household microwave oven which emits microwave of frequency range around 2.45 GHz and wavelength range around 12.2 cm.

Comments: 2 Pages. microwave speed relativity reference frame

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Submission history

[v1] 2017-05-21 16:06:50

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