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Physics, 02.08.2019 05:40 elijahcraft3
Awave of infrared light has a speed of 6m/s and a wave length of 12 m. what is the frequency of this wave? a) 0.5 hz b) 2.p hz c) 18 hz d) 72 hz
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Awave of infrared light has a speed of 6m/s and a wave length of 12 m. what is the frequency of this...
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