Physics A-Level
Specific latent heat of vaporisation
What Specific latent heat of vaporisation means in Physics A-Level, as defined for OCR.
Definition of Specific latent heat of vaporisation
Check what you remember
Read the wording for your board, then hide it and explain Specific latent heat of vaporisation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The energy needed to change unit mass from liquid to vapour at its boiling point without a change in temperature.
Topics that use Specific latent heat of vaporisation
- Thermal properties of materials (OCR A-Level)
Related terms
- Changes of state and constant temperature
- Specific heat capacity
- Specific latent heat of fusion
- Units and conversions
- Energy transfer and temperature change
- Energy transfer and the equation E = m l
Using Specific latent heat of vaporisation 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.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge