Imagine a point source S a perpendicular distance Iuml 0 from a circular hole in an aperture screen Icirc pound The screen is a distance r 0 in front of an axial observation point P Show that the electric field due to the lth Fresnel zone as seen at P is given by 2o E ( 1) 1 t k(po ro) (Po ro)

Question: Imagine a point source S a perpendicular distance Ï 0 from a circular hole in an aperture screen Î£. The screen is a distance r

Imagine a point source S a perpendicular distance Ï₀from a circular hole in an aperture screen Î£. The screen is a distance r₀in front of an axial observation point-P. Show that the electric field due to the lth Fresnel zone as €œseen€ at P is given by

2ɛo E = (-1)+1 [øt – k(po + ro)] (Po + ro)

2o E = (-1)+1 [t k(po + ro)] (Po + ro)

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