An object is 27 cm from a thin concave lens along the axis. If a virtual image forms at a distance of 11 cm from the len
Posted: Mon May 09, 2022 6:56 pm
An object is 27 cm from a thin concave lens along the axis. If a virtual image forms at a distance of 11 cm from the lens, what is the focal length of the lens? Please give answer in cm.