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Physics: Post your doubts here!

The intensity I of a sound at a point P is inversely proportional to the square of the distance x of P from the source of the sound. That is I ∝ 1/x^2 Air molecules at P, a distance r from S, oscillate with amplitude 8.0µm. Point Q is situated a distance 2r from S. What is the amplitude of...
- Llamas
- Post #11,717
- Aug 27, 2014
- Forum: A-Levels

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