Physics · May / June 2022 · Paper 11 · Question 13

A building has walls made from wood and steel. What describes the way in which thermal energy is transferred through the walls?

1. Aconduction through the wood by movement of molecules through the wood only
2. Bconduction through the metal by both the vibration of particles and movement of electrons through the steel
3. Cconduction through the wood by both the vibration and movement of molecules through the wood
4. Dconvection through the metal by movement of electrons through the steel only

As printed in the paper