A block of mass $1\,\, kg$ is hanging vertically from a string of length $1\,\, m$ and mass /length $= 0.001\,\, Kg/m$. A small pulse is generated at its lower end. The pulse reaches the top end in approximately .... $\sec$

107-161

  • A

    $0.2$

  • B

    $0.1$

  • C

    $0.02$

  • D

    $0.01$

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