what is thermal radiation?
Asked by prakamya | 4th Dec, 2009, 11:01: AM
Thermal radiation is electromagnetic radiation emitted from the surface of an object which is due to the object's temperature. An example of thermal radiation is the infrared radiation emitted by a common household electric heater. If the heater is dissipating more heat, then the wavelenght falls in the visible range, and the thermal radiation makes the heater glow.
Answered by | 4th Dec, 2009, 11:24: AM
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