O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2016 · Q201 Mark
Which statement about the transfer of thermal energy is correct?
ATransfer by radiation does not require a medium.
BTransfer is from a region of lower temperature to one of higher temperature.
CTransfer upwards in fluids is mainly through the vibrations of neighbouring particles.
DTransfer in solids is by means of density changes in the material.
✓ Correct answer
A: Transfer by radiation does not require a medium.
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