If the intensity of sound is doubled, by how many decibels does the sound level increase?
Hrishant Goswami , 10 Years ago
Grade 10
Wave Motion> If the intensity of sound is doubled, by ...
1 AnswersJitender Pal
Last Activity: 10 Years ago
Sol. We know that, β = 10 log base 10 J/I base 0 According to the questions β base A = 10 log base 10 (2I/I base 0) ⇒β base B – β base A = 10 log (2I/I) = 10 × 0.3010 = 3 dB.
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