What is Fresnel's distance? Obtain the equation for Fresnel's distance.
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distance is known as Fresnel distance. Fresnel distance describes the distance at which spread due to diffraction becomes comparable to the width of the slit or not. This is the boundary of ray optics and wave optics.
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z=(a2/ λ). This distance is known as Fresnel distance. Fresnel distance describes the distance at which spread due to diffraction becomes comparable to the width of the slit or not. This is the boundary of ray optics and wave optics.
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