Specific latent heat
What Specific latent heat means in Physics A-Level, as defined for AQA.
Definitions of Specific latent heat
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Specific latent heat in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Used in ΔE = mL when a substance changes state at constant temperature, where L is specific latent heat.
The energy required per unit mass to change the state of a substance at constant temperature.
Topics that use Specific latent heat
- Thermal energy transfer (A-level only) (AQA A-Level)
Related terms
- Change of state
- Conservation of energy
- Energy transfer by heating and work
- First law of thermodynamics
- Ideal gas
- Internal energy
- Internal energy changes in gases
- Mass flow rate
Using Specific latent heat in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge