Question

What is Sound Intensity Level
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Answer 1

Answer:

Table 1. Sound Intensity Levels and Intensities

Sound intensity level β (dB) Intensity I(W/m2) Example/effect

0 1 × 10–12 Threshold of hearing at 1000 Hz

10 1 × 10–11 Rustle of leaves

20 1 × 10–10 Whisper at 1 m distance

30 1 × 10–9 Quiet home

40 1 × 10–8 Average home

50 1 × 10–7 Average office, soft music

60 1 × 10–6 Normal conversation

70 1 × 10–5 Noisy office, busy traffic

80 1 × 10–4 Loud radio, classroom lecture

90 1 × 10–3 Inside a heavy truck; damage from prolonged exposure[1]

100 1 × 10–2 Noisy factory, siren at 30 m; damage from 8 h per day exposure

110 1 × 10–1 Damage from 30 min per day exposure

120 1 Loud rock concert, pneumatic chipper at 2 m; threshold of pain

140 1 × 102 Jet airplane at 30 m; severe pain, damage in seconds

160 1 × 104 Bursting of eardrums

Answer 2

Answer:

Sound intensity, also known as acoustic intensity, is defined as the power carried by sound waves per unit area in a direction perpendicular to that area. ... Sound intensity level is a logarithmic expression of sound intensity relative to a reference intensity

Explanation:

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