Physics, 18.01.2021 22:20, caromaybelline71
g A purple laser pointer of wavelength 405 nm has a power output of 500 milliwatt (mW). While shining it on a surface for one minute, how many photons were emitted from the laser pointer
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g A purple laser pointer of wavelength 405 nm has a power output of 500 milliwatt (mW). While shinin...
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