O-LevelPhysicsThermal Physics5054/12 · May/June 2019 · Q221 Mark
How is latent heat defined?
Athe thermal energy absorbed or emitted by unit mass during a change of state without a temperature change
Bthe thermal energy absorbed or emitted by unit mass during unit temperature change
Cthe thermal energy absorbed or emitted per unit mass during a change of state without a temperature change
Dthe thermal energy absorbed or emitted per unit mass during unit temperature change
✓ Correct answer
C: the thermal energy absorbed or emitted per unit mass during a change of state without a temperature change
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