Physics A-Level
Relative intensity
What Relative intensity means in Physics A-Level, as defined for AQA.
Definition of Relative intensity
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Reference: AQA
The comparison of intensity levels in which equal ratios of intensity produce equal differences in decibels, reflecting relative rather than absolute changes.
Topics that use Relative intensity
- Sensitivity and frequency response (A-level only) (AQA A-Level)
Related terms
- Equal loudness curve
- Intensity
- Inverse-square relationship
- Logarithmic scale
- Loudness perception
- Decibel scale
- Perceived loudness
- Phon
Using Relative intensity in the exam
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