Question
Download Solution PDFThermal radiation extends over the range of
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
- Thermal radiation is the transmission of heat in the form of radiant energy from one body to another body by the thermal motion of charged particles of matter.
- The mechanism of radiation is divided into 3 phases
- Conversion of thermal energy of the hot source into electromagnetic waves
- Passage of wave motion through intervening medium
- Transformation of waves into heat
- Thermal radiation is limited to wavelengths ranging from 0.1 to 100 µm of the electromagnetic spectrum.
- It includes some portion of UV radiation (0.1 to 0.4 µm), entire visible radiation (0.4 to 0.7 µm), and entire infrared radiation (0.7 to 100 µm)
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