For a Sound Wave in Air of Frequency 3500 Hz

question 12

Multiple Choice

For a sound wave in air of frequency 3500 Hz and average intensity 1 W/m² (pain threshold) what is the maximum change in pressure (pressure amplitude) of the wave?

• A)28.6 N/m²
• B)816 N/m²
• C)20.2 N/m²
• D)3.18 × 10^-6 N/m²

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