Key term for OCR GCSE Physics B, used in Practical Activity Groups.
A measure of how much a specific medium slows down the speed of light travelling through it.
Optical density appears in OCR GCSE Physics B revision content for Practical Skills, especially Practical Activity Groups and PAG 8: Interactions of waves.
Practical Skills
Practical Activity Groups • PAG 8: Interactions of waves
Radiation and waves
Wave behaviour • Wave behaviour
Radiation and waves
Light and sound interactions • Light and sound interactions
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