Current Attempt in Progress

You are conducting a single$-$slit diffraction experiment with light of wavelength $1.$

What appears, on a distant viewing screen, at a point at which the top and bottom rays through the slit have a path length difference equal to $5$

$2?$

$$Maximum

$$Minimum

What appears, on a distant viewing screen, at a point at which the top and bottom rays through the slit have a path length difference equal to $4\mathrm{.}52?$

$$Maximum

$$Minimum