Mass–energy equivalence
What Mass–energy equivalence means in Physics A-Level, as defined for AQA.
Definitions of Mass–energy equivalence
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Reference: AQA
The relation ΔE = Δmc², which explains the energy released when a nucleus undergoes fission or fusion.
Einstein's principle that mass and energy are equivalent, enabling conversion between u and MeV.
Topics that use Mass–energy equivalence
- Mass and energy (A-level only) (AQA A-Level)
Related terms
- Atomic mass unit
- Binding energy
- Binding energy per nucleon comparisons
- Breakdown of classical mechanics at relativistic speeds
- Energy release in nuclear reactions
- Energy released per kilogram of fuel
- Energy–mass equivalence
- Fusion and fission
Using Mass–energy equivalence in the exam
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