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(Solved): A small helium-neon laser emits red visible light with a power of 5.10 mW in a beam of diameter 2.80 ...
A small helium-neon laser emits red visible light with a power of 5.10 mW in a beam of diameter 2.80 mm. What is the amplitude of the electric field (Emax), the amplitude of the magnetic field of the light (Bmax), the average energy density associated with the electric field (uE), and the average energy density associated with the magetic field (uB) ?
A small helium-neon laser emits red visible light with a power of 5.10mW in a beam of diameter 2.80mm