A parallel beam of monochromatic light is incident normally on a slit. The diffraction pattern is observed on a screen placed at the focal plane of a convex lens. If the slit width is increased, the c

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A parallel beam of monochromatic light is incident normally on a slit. The diffraction pattern is observed on a screen placed at the focal plane of a convex lens. If the slit width is increased, the central maximum of the diffraction pattern will

TestHub · Accepted Answer

Width of central maximum β = D λ d , d being slit width. If the slit width is increased the central maximum becomes narrower and more light reaches the region.

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