Small Group Activity: Thermal radiation at twice the temperature
Contemporary Challenges 2021
This small group activity has students reasoning about how the Planck distribution shifts when the temperature is doubled. This leads to a qualitative argument for the Stefan-Boltzmann law.
- group Small Group Activity 10 min. Student handout (PDF)
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Stefan-Boltzmann blackbody radiation
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Media
This small whiteboard question introduces the Stefan-Boltzmann law.
Question:
When the temperature of a black surface is doubled, what happens to the total energy emitted per unit time?- Increase by 2 times
- Increase by 4 times
- Increase by 8 times
- Increase by 16 times
- Keywords
- Stefan-Boltzmann blackbody radiation
- Learning Outcomes
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