In a single slit diffraction set up, second minima is observed at an angle of `60^(@)`. The expected position of first minima isA. `25^(@)`B. `20^(@)`C. `30^(@)`D. `45^(@)`

In a single slit diffraction set up, second minima is observed at an a

1.	In a single slit diffraction set up, second minima is observed at an angle of `60^(@)`. The expected position of first minima isA. `25^(@)`B. `20^(@)`C. `30^(@)`D. `45^(@)`
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In a single slit diffraction set up, second minima is observed at an angle of `60^(@)`. The expected position of first minima isA. `25^(@)`B. `20^(@)`C. `30^(@)`D. `45^(@)`

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