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:Which of the following does not require the use of…Ice of mass 10g at 5ºC was completely converted to…A solid of mass 0.5kg initially at 50oC melts at…Ice of mass 50g at 0°C was completely melted by 70%…0.5kg of water at 10ºC is completely converted to…