Light of Wavelength 500 Nm Illuminates Parallel Slits and Produces

Multiple Choice

Light of wavelength 500 nm illuminates parallel slits and produces an interference pattern on a screen that is 1 m from the slits. In terms of the initial intensity I₀, the light's intensity in the interference pattern at a point for which the path difference is 100 nm is

A) 2.62 I₀.
B) 2.87 I₀.
C) 3.08 I₀.
D) 3.31 I₀.
E) 4.39 I₀.