If one of the slits of a standard YDSE apparatus is covered

Last updated: 6/7/2023

If one of the slits of a standard YDSE apparatus is covered by a thin glass slab so that it allows only half of the light intensity of the other then A Resultant intensity at centre of screen will decrease B Resultant intensity at dark fringe will increase C The fringe width will remain unchanged D The fringe pattern will shift on the screen toward the covered slit