PH-2155
Thermal radiation
Physics · Secondary 4 · Medium · Thermal radiation
Two identical metal plates are placed in strong sunlight, one painted dull black and the other shiny white. After 10 minutes, which plate will be at a higher temperature?
- The dull black plate, because it absorbs more radiation.
- The dull black plate, because it reflects more radiation.
- The shiny white plate, because it absorbs more radiation.
- The shiny white plate, because both absorb the same radiation.
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