The condition under which a microwave oven heats up a food item containing water molecules most efficiently is: The condition under which a microwave oven heats up a food item containing water molecules most efficiently is: August 19, 2020 Category: Chapter 27 - Alternating Current , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related