Question: A 1.0-mW laser produces a nearly parallel beam 1.0 cm 2 in cross-sectional area at a wavelength of 650 nm. Determine the amplitude of the

A 1.0-mW laser produces a nearly parallel beam 1.0 cm² in cross-sectional area at a wavelength of 650 nm. Determine the amplitude of the electric field in the beam, assuming the wavefronts are homogeneous and the light travels in vacuum.

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