Question

.A monochromatic light with wavelength 2=500 nm is used to illuminate a single slit. Assume that the width of slit is D=0.3 mm The distance between slit and the observation

screen is L. (a) Please sketch the light intensity distribution for L < 0.3 mm. (b) Please sketch the diffraction pattern at the location L10 mm. (c)Please sketch the light intensity distribution for I - 5000 mm (d) What is the full width of the central spot for L = 5000 mm.

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