If δ 1 and δ 2 are the angles of dip observed in two vertical planes at right angles to each other and δ is the true value of dip If δ 1 and δ 2 are the angles of dip observed in two vertical planes at right angles to each other and δ is the true value of dip September 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related