In double slit experiment ,the two slits...

In double slit experiment ,the two slits are lmm apart and the screen is placed I m away. A monochromatic ligth of wavelength 500 nm is used .What will be the width of each slit for obtaining ten maxima of double within the central maxima of single slit pattern?

`0.1mm`

`0.5mm`

`0.02mm`

`0.2mm`

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