A thin glass plate of thickness t and refractive index `mu` is inserted between screen and one
Channel: Doubtnut
Date: 2020-02-09

A thin glass plate of thickness t and refractive index `mu` is inserted between screen and one of the slits in a young\'s experiment. If the intensity at the centre of the screen is I, what was the intensity at the same point prior to the introduction of the sheet.