Physics 0625 · IGCSE · Transfer of thermal energy

Transfer of thermal energy — practice question

A vacuum flask has a vacuum between its double walls. Which modes of thermal transfer are reduced by the vacuum?

  • Aconduction, convection and radiation
  • Bconduction and convection only
  • Cconduction and radiation only
  • Dconvection and radiation only

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI