Two concentric shells of masses M 1 and M 2 are having radii r 1 and r 2 . Which if the following is the correct expression for the gravitational field on a mass m? Two concentric shells of masses M 1 and M 2 are having radii r 1 and r 2 . Which if the following is the correct expression for the gravitational field on a mass m? October 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related