A positively charged particle moving along x-axis with a certain velocity enters a uniform electric field directed along positive y-axis. Its

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Neither vertical nor horizontal velocity changes

Horizontal velocity changes but vertical velocity remains constant

Both vertical and horizontal velocities change

Vertical velocity changes but horizontal velocity remains constant

answer is A.

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Detailed Solution

Given data:

Velocity enters the electric field

Their axis have positive

Concepts used: Electric field

Detailed answer:

The force on a positive charge moving along the y-axis is given by

$F = q E$ .

So the charge will experience an acceleration in the direction of y-axis.

The vertical component changes and the horizontal (along the x-axis) component remains unchanged.

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