Two slits are illuminated by a 364 nm light. The angle between the zeroth-order bright band at the center of the screen and the fourth-order bright band is 14.6 .

A) If the screen is 143 cm from the double-slit, how far apart is this bright band from the central peak? Answer in cm.

B) What is the distance between the two slits? Answer in mm. Answer in units of mm.