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Figure shows the tracks of three charged particles in a unform electrostatic field projected parallel to a plate with the same velocity. Give the signs of the three charges. Which of the three charges. Which of the three particles has the highest charge-to-mass ratio? |
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Answer» (1) and (2) are negative while (3) is positive. Acceleration of each particle is `a=(qE)/(m)` Deflection suffered by a particle is `y=ut+(1)/(2) at^(2)=0+(1)/(2)(qE)/(m)t^(2)` or `y prop(q)/(m)` Hence, (3) will have the highest `q//m` ratio. |
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