Double slit

A red laser, shining on a double slit, creates the pattern shown in the figure above at the center of a screen placed $1\mathrm{.}90$ m on the opposite side of the double slit from the laser. If the laser wavelength is $632$ nm $,$ what is the distance $($in nm$)$ between the two slits in the double slit?

$q,$ nm

$($i$)$ Numeric answer

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$1/1$