[单选题]
A monochromatic beam of lightu0qi(.g1 mo6:rv rnuo 8k6zamqv rift1 .+vhz)(eg b ; is incident on a double slit arrangement where the slit kqtf8imz;+( .abv)gh6 r 1vzeseparation is $9.0\times10^{−5}\,m$ and the slit-screen distance is 1.0m. The graph below shows the relative intensity of the light reaching the screen with respect to the distance from the central point of the pattern.
What is the wavelength of the light?
A. $9.0\times10^{−7}\,m$
B. $3.0\times10^{−7}\,m$
C. $4.5\times10^{−5}\,m$
D. $4.5\times10^{−7}\,m$
