$A$ string of mass $0.2 \ kg$ is under a tension of $2.5 \ N$. The length of the string is $2 \ m$. $A$ transverse wave starts from one end of the string. The time taken by the wave to reach the other end is: (in $s$)

  • A
    $0.2$
  • B
    $0.4$
  • C
    $0.6$
  • D
    $0.8$

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