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A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude \( \rho_{0} \)
\( \mathrm{P} \)
W inside the tube. If the atmospheric pressure is \( \rho_{A} \), then the ratio of maximum and minimum pressure at the closed end of the tube will be
[UPSEAT 2002]
(a) \( \frac{\left(\rho_{A}+\rho_{0}\right)}{\left(\rho_{A}-\rho_{0}\right)} \)
(b) \( \frac{\left(\rho_{A}+2 \rho_{0}\right)}{\left(\rho_{A}-2 \rho_{0}\right)} \)
(c) \( \frac{\rho_{A}}{\rho_{0}} \)
(d) \( \frac{\left(\rho_{A}+\frac{1}{2} \rho_{0}\right)}{\left(\rho_{A}-\frac{1}{2} \rho_{0}\right)} \)
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