Physics A-Level
Q = ml
What Q = ml means in Physics A-Level, as defined for AQA.
Definition of Q = ml
Check what you remember
Read the wording for your board, then hide it and explain Q = ml in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The equation used instead of Q = mcΔθ during a change of state, where Q is the energy needed to change the state of mass m.
Topics that use Q = ml
- 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 Q = ml in the exam
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