You have a single$-$slit diffraction apparatus, with a slit $4\mathrm{.}60\backslash$times $10^-6$m wide arranged $1\mathrm{.}80$ m from the screen. You would like an ANTI$-$NODE to appear $68\mathrm{.}2$ cm from the right bisector. What are two possible visable wavelengths you could use?