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Diffraction pattern of single slit of width 0.5 cm is formed by lens of focal length 30 cm .

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Diffraction pattern of single slit of width 0.5 cm is formed by lens of focal length 30 cm .Calculate the distance between the first dark & the next bright fringe from the axis .Given λ=6000A0.

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distance between the first dark & the next bright fringe from the axis is 0.0036 cm

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