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  • A laser beamhaving a wavelength 6000A & circular aperture 0.5cm is sent to moon. The distance from earth is 4*10^8m then calculate areal spread of the beam when it reached​

A laser beamhaving a wavelength 6000A & circular aperture 0.5cm is sent to moon. The distance from earth is 4*10^8m then calculate areal spread of the beam when it reached​

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shubham.krishnan

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