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Chemistry, 21.10.2021 14:00 natalievick03

If a laser operating at a wavelength of 488 nm and a power of 123.0 mW is turned on for 18.73 minutes, how many photons has it emitted?

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If a laser operating at a wavelength of 488 nm and a power of 123.0 mW is turned on for 18.73 minute...

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