A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes \...
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0A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes
\( \mathrm{P} \) between the two bridges when a mass of \( 9 \mathrm{~kg} \) is
W suspended from the wire. When this mass is replaced by a mass \( \mathrm{M} \), the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of \( \mathrm{M} \) is:
(1) \( 25 \mathrm{~kg} \)
(2) \( 5 \mathrm{~kg} \)
(3) \( 12.5 \mathrm{~kg} \)
(4) \( 1 / 25 \mathrm{~kg} \)
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