Physics GCSE
optical density
What optical density means in Physics GCSE, as defined for AQA.
Definition of optical density
Check what you remember
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Reference: AQA
The more optically dense the material, the slower the wave goes in it.
Topics that use optical density
- Properties of electromagnetic waves 1 (AQA GCSE)
Related terms
- amplitude
- bending towards the normal
- change of speed
- explaining refraction
- longitudinal wave
- parallel emergent ray
- period
- refraction
Using optical density in the exam
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