In a YDSE with two identical slits, when the upper slit is covered with a thin, perfectly transparent sheet of mica, the intensity at the centre of screen reduces to 75% of the initial value. In a YDSE with two identical slits perfectly transparent sheet of mica the intensity at the centre of screen reduces to 75% of the initial value. when the upper slit is covered with a thin October 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related