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A typical helium-neon laser found in supermarket checkout scanners emits 633-nmnm-wavelength light in a 1.3-mm-diameter beam with a power of 1.4 mW. What is the
A typical helium-neon laser found in supermarket checkout scanners emits 633-nmnm-wavelength light in a 1.3-mm-diameter beam with a power of 1.4 mW.
What is the amplitude of the oscillating electric field in the laser beam?
What is the amplitude of the oscillating magnetic field in the laser beam?
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