Physics 0625 · IGCSE · Transfer of thermal energy

Transfer of thermal energy — practice question

A metal rod is heated at end X. What causes end Y of the metal rod to become hot?

  • AEnergy is transferred from end X of the rod to end Y by vibration of positive ions and by movement of electrons.
  • BEnergy is transferred from end X of the rod to end Y by movement of positive ions only.
  • CEnergy is transferred from end X of the rod to end Y by vibration of positive ions only.
  • DEnergy is transferred from end X of the rod to end Y by movement of electrons only.

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