Understanding Specific Latent Heat
Part of Specific Latent Heat — GCSE Physics
This deep dive covers Understanding Specific Latent Heat within Specific Latent Heat for GCSE Physics. Revise Specific Latent Heat in Particle Model for GCSE Physics with 13 exam-style questions and 30 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 12 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 12
Practice
13 questions
Recall
30 flashcards
🔬 Understanding Specific Latent Heat
Specific latent heat (L) is the energy needed to change the state of 1 kg of a substance WITHOUT changing its temperature. The word "specific" means "per kilogram."
Why does it take so much energy? Because energy must break the bonds between particles — not make them move faster. During the state change, ALL the energy goes into bond-breaking (potential energy), which is why temperature stays constant.
The bigger the latent heat value, the stronger the bonds between particles and the more energy needed to pull them apart.