OUTCOME
By the end of this lesson you will be able to describe and explain why hot objects are able to emit electromagnetic radiation and you will be ale to use the Stefan-Boltzmann Law in performing calculations related to the power emitted by a hot object
Electromagnetic Radiation is emitted because of the motion of charged particles
The Power emitted by an object is related to the fourth power of its absolute temperature
LEARNING TASKS
Explain
Watch this video about Thermal Radiation
Watch these three short screencasts on Temperature and Radiation:
Explore and Elaborate
Evaluate
Try Questions 14 - 23