inverse square law
What inverse square law means in Biology GCSE, as defined for AQA, OCR.
Definitions of inverse square law
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Reference: OCR
Light intensity is proportional to 1 / d², so doubling the distance gives one quarter and tripling gives one ninth.
Light intensity is inversely proportional to the square of the distance, so intensity ∝ 1 ÷ distance².
Topics that use inverse square law
- Rate of photosynthesis (AQA GCSE)
- Photosynthesis (OCR GCSE)
Related terms
- graph interpretation
- light intensity
- limiting factor
- limiting factors
- axis scaling
- Biomass
- bubble counting
- Bunsen burner
Using inverse square law in the exam
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