Mathematics · Wave Optics Calculations

Estimate the Fresnel distance for which ray optics is a good approximation for an aperture of width 5 mm and wavelength 500 nm.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

125 m
240 m
318 m
450 m✓

Correct answer

50 m

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Estimate the Fresnel distance for which ray optics is a good approximation for an aperture of width 5 mm and wavelength 500 nm.

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Estimate the Fresnel distance for which ray optics is a good approximation for an aperture of width 5 mm and wavelength 500 nm.

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