4.6.3.2 Perfect black bodies and radiation

Spec reference: 4.6.3.2 (physics only).

Triple-only content in this dot

• Emission spectrum/intensity depends on temperature.
• (HT) Temperature changes depend on absorbed vs emitted radiation balance (including Earth context).

Exam quick-check

• Can I identify this as a triple-only point from wording in the question?
• Can I apply the correct equation/idea with units and a clear conclusion?