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Author Question: Which of these is constant for ALL types of electromagnetic radiation in a vacuu (Read 696 times)

futuristic

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on: Aug 26, 2013
Which of these is constant for ALL types of electromagnetic radiation in a vacuum?
A) amplitude
B) wavelength
C) frequency
D) velocity
E) photon energy


curlz

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Reply #1 on: Aug 28, 2013
Pick D


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