Physics, 19.07.2021 16:20 leahmitch612
What is the energy of an electromagnetic wave that has a frequency of 4.0 x 109 Hz? Use the equation E = hf, where h = 6.626 x 10-34 J·s.
Answers: 3
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Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
What is the energy of an electromagnetic wave that has a frequency of
4.0 x 109 Hz? Use the equatio...
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