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In Fraunhofer.s single slit diffraction ...

In Fraunhofer.s single slit diffraction experiment, how does semi-angular width e of the central bright fringe depend on slit width .a.?

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To determine how the semi-angular width \( \theta \) of the central bright fringe in a Fraunhofer single slit diffraction experiment depends on the slit width \( a \), we can follow these steps: ### Step-by-Step Solution 1. **Understanding the Diffraction Condition**: In a single slit diffraction experiment, the condition for minima (dark fringes) is given by the equation: \[ a \sin \theta = n \lambda ...
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