Which of the following concepts is a method of heat transfer that does not require a material medium? by Sunday | Jan 25 | Physics WAEC | 0 comments A. conduction B. radiation C. diffusion D. convection Correct Answer: Option B B. radiation Users Also Read These:The statement 'Heat lost by the hot body equals that…Heat may be transferred by conduction, convection…Ice of mass 50g at 0°C was completely melted by 70%…A solid of mass 0.5kg initially at 50oC melts at…0.5kg of water at 10ºC is completely converted to…