The minimum intensity of audibility of sound is 10 -12 W/m 2 . The intensity of a sound…
Physics · NEET · NTA Exams — Oscillations and Waves
The minimum intensity of audibility of sound is 10-12 W/m2. The intensity of a sound is 10-9 W/m2. The intensity level of this sound in decibel is
- 3 dB
- 30 dB
- 100 dB
- 1000 dB
Answer
(B) 30 dB
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