Four different surfaces are all at the same high temperature. Which surface will emit thermal radiation at the lowest rate?
- Ablack, dull, surface area $10\,\text{cm}^2$
- Bblack, dull, surface area $100\,\text{cm}^2$
- Cwhite, shiny, surface area $10\,\text{cm}^2$
- Dwhite, shiny, surface area $100\,\text{cm}^2$