Question: A slit 0.240 mm wide is illuminated by parallel light rays of wavelength 540 nm. The diffraction pattern is observed on a screen that is

A slit 0.240 mm wide is illuminated by parallel light rays of wavelength 540 nm. The diffraction pattern is observed on a screen that is 3.00 m from the slit. The intensity at the center of the central maximum (θ = 0o) is 6.00 x 10-6 W/m2.
(a) What is the distance on the screen from the center of the central maximum to the first minimum?
(b) What is the intensity at a point on the screen midway between the center of the central maximum and the first minimum?

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a IDENTIFY Use Eq362 with m1 to locate the angular position of the first minimum and then use ... View full answer

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