$A$ wire of length $10 \, cm$ is used in a soap film experiment. What is the work done to move the wire by $1 \, mm$? (Surface tension $T = 7.2 \times 10^{-2} \, N/m$)

  • A
    $7.22 \times 10^{-6} \, J$
  • B
    $1.44 \times 10^{-5} \, J$
  • C
    $2.88 \times 10^{-5} \, J$
  • D
    $5.76 \times 10^{-5} \, J$

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