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High-power lasers in factories are used to cut through cloth and metal (fig. p33.15). one such laser has a beam diameter of 1.00 mm and generates an electric field having an amplitude of 0.700 mv/m at the target. find (a) the amplitude of the magnetic field produced, (b) the intensity of the laser, and (c) the power delivered by the laser.
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Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?
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High-power lasers in factories are used to cut through cloth and metal (fig. p33.15). one such laser...
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