A concave mirror has a focal length of 5cm when an object is placed at a distance of 15 cm from the mirror, where is the image formed ? A concave mirror has a focal length of 5cm when an object is placed at a distance of 15 cm from the mirror where is the image formed ? November 8, 2020 Category: Chapter 9 - Ray Optics , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related