The intensity at the maximum in Young's ...

The intensity at the maximum in Young's double slit experiment is `I_0` Distance two slits is d = `5lambda` where `lambda` is the wavelength of light used in the experiment what will be intensity in front of one of the slits on the screen placed at a distance D=10d ?

`I_0/2`

`I_0`

`I_0/4`

`3/4I_0`

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