A certain laser outputs pure blue light photon energy 31 ev
A certain laser outputs pure blue light (photon energy 3.1 eV) with power 400 milliwatts (0.4watts). How many photons per second does this laser emit? The answer should be in photons/secs.
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a certain laser outputs pure blue light photon energy 31 ev with power 400 milliwatts 04watts how many photons per
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