Environment & Ecology · Environment
Loudness or sound pressure level (SPL) is measured in logarithmic units called decibels (dB). While the normal human ear can detect sounds starting from 0 dB, at what approximate range does sound cross the typical threshold of human physical pain?
- 140 dB to 60 dB
- 260 dB to 80 dB
- 380 dB to 100 dB
- 4120 dB to 140 dB✓
Correct answer
120 dB to 140 dB
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