A proton is fired at an initial velocity of $150 \,m/s$ at an angle of $60^o $ above the horizontal into a uniform electric field of $2 \times 10^{-4} \,N/C$ between two charged parallel plates as shown in figure. Then the total time the particle is in motion is :-

817-183

  • A

    $1.35 \times 10^{-2} \, s$

  • B

    $6.76 \times 10^{-3} \, s$

  • C

    $2.70 \times 10^{-2} \, s$

  • D

    None of the above

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