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Biology, 19.10.2019 02:30 lolirdc

How is wavelength measured in electromagnetic radiation?
a) the distance from the bottom of a trough to the top of a crest
b) the distance from the middle of a wave to the top of a crest
c) the distance from the crest of one wave to the crest of the next wave
d) the distance from the crest of one wave to the trough of the next wave

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How is wavelength measured in electromagnetic radiation?
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