A 3.39 W laser has efficiency 77.5%, and produces monochromatic light of wavelength 185 nm. When it is turned on, the laser feels a backward force (due to "action- reaction"). Calculate the force on the laser, in N.
A 3.39 W laser has efficiency 77.5%, and produces monochromatic light of wavelength 185 nm. When it is turned on, the laser feels a backward force (due to "action- reaction"). Calculate the force on the laser, in N.
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