what should be the slit width to obtain pronounced diffraction with a single slit illuminated by light of wavelength Lambada
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Direction in which the first minima occurs is θ.
esinθ=λ
⇒eθ=λ
θ=eλ (sinθ=θ, for small θ)
Width of central maximum=2bθ+e=e2bλ+e.
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