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प्रश्न
In a diffraction pattern due to a single slit, how will the angular width of the central maximum change, if the slit width is decreased?
Justify your answer.
टीपा लिहा
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उत्तर
The angular width of the central maxima of a single slit diffraction pattern is 2θ = `(2λ)/"a"`
Angular width of central maxima `∝ 1/ "slit width"`
So, if the angular width is decreased, the angular width of the central maxima will increase.
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