Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.10.2.2 · Medical physics (A-level only) · Physics of the ear (A-level only)
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3.10.2.2 Sensitivity and frequency response (A-level only)
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Production and interpretation of equal loudness curves. Human perception of relative intensity levels and the need for a logarithmic scale to reflect this. Definition of intensity. where the threshold of hearing |
Measurement of sound intensity levels and the use of dB and dBA scales; relative intensity levels of sounds.