When a thin transparent sheet of refracrive index (u=3/2) is placed near to one of the slits in a YDSE the intensity at the Centre of the screen reduces to half of the maximum intensity. The minimum thickness of the sheet should be
When a thin transparent sheet of refracrive index (u=3/2) is placed near to one of the slits in a YDSE the intensity at the Centre of the screen reduces to half of the maximum intensity. The minimum thickness of the sheet should be












