Light from a helium-neon laser 633nm illuminates a circular, Ask an Expert

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Light from a helium-neon laser (633nm) illuminates a circular aperture. It's noted that the diameter of the central maximum on a screen 50 centimeter behind the aperture matches the diameter of the geometric image.

Determine what is the aperture's diameter?

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Category:- Physics
Reference No.:- M91226484

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