Sensitivity and frequency response (AQA A-Level Physics): Flashcards

$I = \frac{P}{A}$

$\text{W m}^{-2}$

$1 \times 10^{-12} \text{ W m}^{-2}$

$1 \text{ W m}^{-2}$

$10 \log_{10} \left( \frac{I}{I_0} \right)$

Tenfold increase

$A = 4\pi r^2$

Around $3$ kHz

$2$ kHz to $5$ kHz

Replicate human hearing across different frequencies