PPSC Labour Inspector- Labour and Human Resource Department 2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsAmong the following mediums, velocity of sound is the maximum in? Posted on April 9, 2021 by Rana TahirA. Air B. Water C. Steel D. VacuumShare 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)
