Differential cross section measurements for scattering of Ar ( nozzle beam) by N-2 [theta(c.m.) range: 3.8 degrees to 45 degrees] show classical low angle behavior (similar to theta(-7/3)) and the rainbow effect at wider angles. The deduced well depth [for a L.-J. (12,6) potential] is 1.4(0) x 10(-14) erg (+/- 10%).