Two parallel plates separated by a distance of $5\,mm$ are kept at a potential difference of $50\,V.$ A particle of mass ${10^{ - 15}}\,kg$ and charge ${10^{ - 11}}\,C$ enters in it with a velocity ${10^7}\,m/s.$ The acceleration of the particle will be

  • A

    ${10^8}\,m/{s^2}$

  • B

    $5 \times {10^5}\,m/{s^2}$

  • C

    ${10^5}\,m/{s^2}$

  • D

    $2 \times {10^3}\,m/{s^2}$

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