Four metal mugs with lids are each filled with the same volume of hot water at the same temperature. The mugs are made from the same metal and have the same shape and size, but the outside of each mug is painted with a different mix of texture and colour. Which mug radiates thermal energy at the greatest rate?
- Athe mug painted shiny white
- Bthe mug painted dull white
- Cthe mug painted shiny black
- Dthe mug painted dull black