A Young's Double-Slit Apparatus Is Set Up

Multiple Choice

A Young's double-slit apparatus is set up.A screen is positioned 1.30 m from the double slits,and the spacing between the two slits is 0.0392 mm.The distance between alternating bright fringes is 1.16 cm.What is the light source wavelength? (1 nm = 10−⁹ m)

A) 312 nm
B) 346 nm
C) 321 nm
D) 350 nm
E) 325 nm