A transverse wave is travelling along a stretched string from right to left. The figure  shown represents the shape of the string at a given instant. At this instant

830-107

  • A

    the particles at $A, B$ and $H$ have downward velocity

  • B

    the particles at $D, E$ and $F$ have downward velocity

  • C

    the particles at $C, E$ and $G$ have zero velocity

  • D

    the particles at $A$ and $F$ have maximum velocity

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