Physics, 30.07.2019 08:20, lucystudies

Aruby laser delivers a 13.5-ns pulse of 3.80-mw average power. if the photons have a wavelength of 694.3 nm, how many are contained in the pulse?

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Aruby laser delivers a 13.5-ns pulse of 3.80-mw average power. if the photons have a wavelength of 6...