In a double

$-$

slit experiment, let

d

$=$

$6$

$.$

$0$

$0$

D

$=$

$5$

$0$

$.$

$0$

$\backslash$lambda

Compare

$($

as a ratio

$)$

$$the intensity of the third

$-$

order interference maximum with that of the zero

$-$

order maximum.