IB skill practice

Explain greenhouse energy balance

Paper 1, Paper 2 5 marks Difficulty 3

Absorbed solar radiation after reflection

A surface in a heat-engine design review receives \(1300\,\text{W m}^{-2}\) and reflects \(28\%\). 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.

Worked practice: physics data and result

Read the physical quantities first, then calculate the result and state what it means.