Question

In a youngs double slit experiment, io is the intensity at the central maximum and is the fringe width. The intensity at a point p distant x from the centre will be

Answer 1

the intensity from the distance at y from Central Maxima is given by

1=10 cos 2(π dy/(gamma D))

Now ,

y= x = fringe width / 3 = gamma D / 3d

Hence,

1=10 cos 2(π dy/(gamma D))

= 10cos 2(π dy )

=10/4