Engineering :: Thermodynamics

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Identify the correct statement

[A].	Bodies black in colour are known as black bodies in radiation	[B].	Only some substances emit radiation
[C].	Quality and quantity of radiation depends on the properties of the material only	[D].	A substance will emit radiation at a particular wavelength only
[E].	All substances emit radiation the quality and quantity depends on the absolute temperature and properties of the material composing the radiating body

Answer: Option E