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Phase Difference

If Io is th...

Question

If $I_{o}$ is the intensity of the principle maximum in the single slit diffraction pattern then, with doubling the slit width, the intensity becomes:

A

I_{o}

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B

I_{o}

/ 2

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C

\frac{1}{2}

I_{o}

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D

4

I_{o}

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Solution

The correct option is A $I_{o}$
Intensity remains $I_{o}$ because intensity of principle maximum is maximum intensity and maximum intensity is independent of slit width.

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