Q149 / 180 · KCET 2016 · Physics

A proton is projected with a uniform velocity 'v' along the axis of a current carrying solenoid,
then

  • A
    the proton will be accelerated along the axis,
  • B
    the proton path will be circular about the axis,
  • C
    the proton move along helical path.
  • Correct answer
    D
    the proton will continue to move with velocity 'v' along the axis,

Solution

Given, the proton is projected with uniform velocity \( v \) alongthe axis of solenoid.
Along the axis, magnetic field is constant, therefore the proton will continue to move along the axis with velocity v.

Hence, the correct answer is option: 'D'.

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