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The I^(st) diffraction minimum due to si...

The `I^(st)` diffraction minimum due to single slit diffraction is `theta`, for a light of wave length `5000 Å` . If the width of the slit si `1xx10^(-4) cm` then the value of `theta`

A

`30^@`

B

`45^@`

C

`60^@`

D

`15^@`

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A
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