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AP Physics C: E&M
8.3 Electric Fields
8.1 Electric Charge and Electric Force
IntermediateMCQMathematicalProportional Analysis18.3k
Trajectories of an alpha particle and a proton in a uniform transverse electric field.
Trajectories of an alpha particle and a proton in a uniform transverse electric field.
An alpha particle (charge \(+2e\), mass \(4u\)) and a proton (charge \(+e\), mass \(1u\)) are each fired horizontally with the same initial kinetic energy \(K_0\) into a uniform transverse electric field of magnitude \(E\) produced between two parallel plates of length \(L\). Gravitational effects are negligible. What is the ratio \(y_\alpha / y_p\) of the vertical deflection of the alpha particle to the vertical deflection of the proton as they exit the electric field region?

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