A plane wavefront of light of wavelength 'λ' is incident normally on a narrow slit of width 'a' and a diffraction pattern is observed on a screen at a distance 'D' from the slit. (i) Depict the intensity distribution in the pattern observed. (ii) Obtain the expression for the first maximum from the central maximum.

Astronomical Telescope (Refracting Type) and Its Magnifying Power, Diffraction of Light at a Single Slit | PadhAiPro

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TextAstronomical Telescope (Refracting Type) and Its Magnifying PowerDiffraction of Light at a Single SlitCBSE PYQ

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