The silvered surface in a vacuum flask reduces heat loos due to? by Sunday | May 20 | Physics WAEC | 0 comments A. conduction B. convection C. radiation D. evaporation Correct Answer: Option C C. radiation Users Also Read These:In a good thermos flask; the main cause of heat loss is?The silver coating on the inside of a vacuum flask…A solid of mass 0.5kg initially at 50oC melts at…An immersion heater rated 400W, 220V is used to heat…The vacuum between the double walls of a thermos…