Two electrons are moving towards each other, each with a velocity of $10^6 \,m / s$. What will be closest distance of approach between them is ......... $m$

  • A

    $1.53 \times 10^{-8}$

  • B

    $2.53 \times 10^{-10}$

  • C

    $2.53 \times 10^{-6}$

  • D

    $0$

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