Question:
Calculate the bulk modulus of air from the following data about a sound wave of wavelength $35 \mathrm{~cm}$ travelling in air. The pressure at a point varies between $\left(1.0 \times 10^{5} \pm 14\right) \mathrm{Pa}$ and the particles of the air vibrate in simple harmonic motion of amplitude $5.5 \times 10^{-6} \mathrm{~m}$.
Solution:
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