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23 Nov 2019
Helium-neon laser light has a wavelength in air of 632.8 nm.What is the energy of a single photon in the beam? (h = 6.626 x10-34 J.s and c = 3.00 x 108m/s).
Helium-neon laser light has a wavelength in air of 632.8 nm.What is the energy of a single photon in the beam? (h = 6.626 x10-34 J.s and c = 3.00 x 108m/s).
Irving HeathcoteLv2
1 Mar 2019