The maximum intensity of fringes in Young's experiment is I. If one of the slit is closed, then the intensity at that place becomes `I_o`. Which of the following relation is true?

Maximum intensity in Young's double slit experiment is I_(0) . If one slit is closed the intensity would be

The intensity of the central fringe obtained in the interference pattern due to two identical slit sources is I. When one of the slits is closed then the intensity at the same point is I_0 . Then the correct relation between I and I_0 is :

In Young's double slit experiment the intensity of the maxima is I_0 . One of the slits is closed. The intensity reduces to

The intensity of central fringe in the interference pattern produced by two indetical slits is I. When one of the slits is closed then the intensity at the same points is I_(0) . The relation between I and I_(0) is