PPSC Past Paper Assistant Director Punjab Employees Social Security Institution (PESSI) 2019 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsOrdinary mobile Phone was? Posted on May 3, 2021 by Rana TahirA. Radio waves B. Ultrasonic waves C. Harmonic waves D. None of aboveShare 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)
