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:An immersion heater rated 400W, 220V is used to heat…Which of the following crops does not require…Which of the following database operations does not…Ice of mass 50g at 0°C was completely melted by 70%…Which of the following does not require the use of…