Physics GCSE
interpreting arrow sizes
What interpreting arrow sizes means in Physics GCSE, as defined for AQA.
Definition of interpreting arrow sizes
Check what you remember
Read the wording for your board, then hide it and explain interpreting arrow sizes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Check each arrow for its direction, its wavelength label and its size, then total the energy in and the energy out.
Topics that use interpreting arrow sizes
- Perfect black bodies and radiation (AQA GCSE)
Related terms
- absorption by the Earth
- glowing objects
- greenhouse gases
- intensity against wavelength
- self limiting heating
- temperature dependence
- emission into space
- everyday examples
Using interpreting arrow sizes 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.
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