(a) In illustration 3.10 how many dark rings will be observed on the wall? (b) What is the path difference at point P? (a) In illustration 3.10 how many dark rings will be observed on the wall? (b) What is the path difference at point P? September 9, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related