A low-pressure sodium vapor lamp whose wavelength is 5.89 x 10−7 m passes through double-slits that are 2.0 x 10−4 m apart and p
roduces an interference pattern whose fringes are 3.2 x 10−3 m apart on the screen. What is the distance to the screen? 3 meters
2.7 meters
1.6 meters
1.1 meters
