Two Slits Are Illuminated with Red Light $\lambda$ = 650 Nm)The Slits Are 0

Multiple Choice

Two slits are illuminated with red light ( $\lambda$ = 650 nm) .The slits are 0.25 mm apart and the distance to the screen is 1.25 m.What fraction of the maximum intensity on the screen is the intensity measured at a distance 3.0 mm from the central maximum?

A) 0.94
B) 0.92
C) 0.96
D) 0.98
E) 0.99