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Question

Which of the following is correct?

A

motion of the particle is non-periodic but $y$ and $z$ -position co-ordinates vary in a periodic manner

B

motion of the particle is non-periodic but $x$ and $y$ -position co-ordinates vary in a periodic manner

C

motion of the particle is non-periodic but $x$ and $z$ -position co-ordinates vary in a periodic manner

D

motion of the particle is periodic and all the position co-ordinates vary in a periodic manner

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Updated on : 2022-09-05

Solution

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Correct option is C)

The particle follows a helical path. Due to force acting on particle on in $x$ and $y$ direction, it varies periodically in these directions to form helical surfaces.
However the motion itself is not periodic because it has a $v_{x}$ component.

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