Spacing between two successive nodes in a standing wave on a string is $x$ . If frequency of the standing wave is kept unchanged but tension in the string is doubled, then new spacing between successive nodes will  become

  • A

    $x/\sqrt 2 $

  • B

    $\sqrt 2 x$

  • C

    $x/2$

  • D

    $2x$

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  • [IIT 2023]