.. Solve: 91 Find the half angular width of the central bright maximum in the Fraunhofer diffraction pattern of a slit of width 12x10^-5 cm when the slit illuminated by monochromatic light of wave length

.. Solve: 91

Find the half angular width of the central bright maximum in the Fraunhofer diffraction pattern of
a slit of width 12x10^-5 cm when the slit illuminated by monochromatic light of wave length
6000 A
[KUET’10-11)
(a) 30°
(b) 60°
(c) 15°
(d) None of these
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