The length of the wire shown in figure between the pulleys is $1.5\, m$ and its mass is  $12.0\,g$. The frequency of vibration with which the wire vibrates in three loops forming antinode at the mid point of the wire is $(g = 9.8 \,m/s^2)$
  • A$210 \,Hz$
  • B$140 \,Hz$
  • C$70 \,Hz$
  • D
    None of these
Medium
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