A spectral line lemda = 5000 A in the light coming from a distant star is observed as a 5200 A. What will be recession velocity of the star? A spectral line lemda = 5000 A in the light coming from a distant star is observed as a 5200 A. What will be recession velocity of the star? October 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related