IB skill practice

Explain greenhouse energy balance

Paper 1, Paper 2 5 marks Difficulty 4

Absorbed solar radiation after reflection

A surface in a heat-engine design review receives \(1300\,\text{W m}^{-2}\) and reflects \(40\%\). Calculate the absorbed intensity. Use the diagram first, then calculate the requested value. Enter the numerical result and choose the interpretation that matches the physics meaning.

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