A monochromatic light of wavelength 6000 A o is incident on the single slit of width 0 . 01 mm . If the diffraction pattern is formed at the focus of the convex lens of focal length 20 cm , the linear

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A monochromatic light of wavelength 6000 A o is incident on the single slit of width 0 . 01 mm . If the diffraction pattern is formed at the focus of the convex lens of focal length 20 cm , the linear width of the central maximum is :

TestHub · Accepted Answer

The linear width of central maxima is given by, W = 2 λ D d = 2 × 6 × 10 − 7 × 0 .2 1 × 10 − 5 = 2 .4 × 10 − 2 = 24 mm

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