What is the Conservation of Energy?
What is the Conservation of Energy?
ANSWER:
By the law of Conservation of Energy, the total incident energy Ei interacting with matter is:
Ei = EReflection + ETransmission + EAbsorption + ERaman+ELuminescence
Dividing through by Ei gives:
100% = (EReflection / Ei) + (ETransmission / Ei) + (EAbsorption / Ei) + (ERaman/ Ei) + (ELuminescence / Ei)
The first three quotients above are known as follows:
EReflection / Ei = Reflectance
ETransmission / Ei = Transmittance
EAbsorption / Ei =Absorptance
