#41
4.4.2.2 Equations
Paper 1 · Higher combined
Spec reference: 4.4.2 (subtopic).
What you need to know
- Equations
- E = ½mv²
- E = mgh
- E = ½ke²
- ∆E = m × c × ∆O
- P = ¼
- P = ¼
- AQA Physics (Combined Science) Unit 6.1: Energy
Self-assessment (checklist)
- I can represent alpha radiation in a nuclear equation.
- I can represent beta radiation in a nuclear equation.
- I can describe how alpha decay affects the mass and
- I can describe how beta decay affects the mass and charge
- I can describe how gamma decay affects the mass and
- I can balance the atomic numbers and mass numbers in
Key steps (method)
- Identify what the question is testing and use the correct equation/definition.
- Show substitutions and units clearly.
Common mistakes
- Unit conversions, rearranging errors, or quoting a law without applying it.