The discussion centers on the emission of electromagnetic (EM) radiation from heated metals, specifically tungsten filaments in light bulbs. It concludes that the radiation is a result of both molecular vibrations and electron excitation. As the tungsten filament heats up, the thermal energy causes atoms to vibrate, leading to the emission of infrared radiation, while electron excitation contributes to the visible light emitted. This dual mechanism is fundamental to understanding the principles of thermal radiation in metals.
PREREQUISITESPhysicists, materials scientists, electrical engineers, and anyone interested in the principles of thermal radiation and its applications in lighting technology.
mrmojorizing8 said:is the EM radiation due to vibration of molecules or electron excitation?