6 marksPhysics of the Ear and Eye
CAPE Physics Unit 1 · 2017 · Paper 2 · Question 5(a)(iii)
The sound from a vuvuzela can be as high as 115 dB. The threshold of hearing, I₀, is 1 × 10⁻¹² W m⁻².
Determine the intensity of such a sound in W m⁻².
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