In a Young's double slit experiment, the width of the one of the slit is three times the other slit. The amplitude of the light coming from a slit is proportional to the slit width. Find the ratio of the maximum to the minimum intensity in the interference pattern.
(1) 1 : 4
(2) 3 : 1
(3) 4 : 1
(4) 2 : 1
