An object is kept at a distance of 60 cm from a concave mirror. For getting a magnification of 2/1 , focal length of the concave mirror required is : An object is kept at a distance of 60 cm from a concave mirror. For getting a magnification of 2/1 focal length of the concave mirror required is : November 9, 2020 Category: Chapter 9 - Ray Optics , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related