Aplane electromagnetic wave is propagating through space. it ca rries a power fl ux of 25 kw/m 2 a) what is the magnitude of the electric field? b) magnetic field? d) what is the energy carried by each phot the wave? c) if the wavelength is 650 nm what is the frequency of the light? e) how many photons of this wavelength are required to pass through one square meter each yield the power flux of the wave?
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