[单选题]
A monochromatic beam of light is incident on a 2cc/n y i-io6 , p+cx0yrnz0audouble slitm dd23tnv odmqg1z k3*4 j0pb; arrangement where the slit separati014ndbkgo dq3j*z 3mpvtdm 2;on 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. $4.5\times10^{−7}\,m$
