A particle of mass 
and charge 
enters the region between the two charged plates of a condenser. The charge is initially moving along the positive 
-axis with a speed 
. If the length of each plate is 
and 
is the uniform electric field between the plates, the vertical deflection of the particle at the far edge of the plate is
Text Solution
Verified by ExpertsHere, magnitude of the uniform electric field between plates 
So, acceleration, 
Time taken, 
But in vertical direction, initial velocity 
By using, 
Thus, vertical deflection of the particle at the far edge of the plate is 
.
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