PPSC Past Paper Assistant Director Punjab Employees Social Security Institution (PESSI) 2019 Solved MCQs, Everyday Science MCQs, PPSC Solved Past Papers MCQsWhich one of the following can be used to focus sun light? Posted on May 3, 2021 by Rana TahirA. Plane mirror B. Concave lens C. Concave mirror D. Convex mirrorShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)