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shaguaLv1
11 May 2021
a 5000mW blue laser pointer is advertised online. Assuming a wavelength of the laser is 450 nm, approximately how many photons are emitted per second by this laser?
a 5000mW blue laser pointer is advertised online. Assuming a wavelength of the laser is 450 nm, approximately how many photons are emitted per second by this laser?
30 Jul 2023
9 Oct 2022
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Supratim PalLv10
12 May 2021
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