an alpha particle is projected with a kinetic energy of 18ev from infinity towards a fixed point charge 20 - Physics - Electrostatic Potential And Capacitance

Question

​an alpha particle is projected with a kinetic energy of 18ev
from infinity towards a fixed point charge 20 pc the distance of
closest approach of the alpha particle, from the point charge, is

Shobhit Mittal · Accepted Answer

Dear Student,

KE=18 eV , charge on alpha particle is 2e
18=9*1092e20*10-12err=9*109220*10-1218=0
02 m    distnace of closest approach Regards

​an alpha particle is projected with a kinetic energy of 18ev from infinity towards a fixed point charge 20 pc. the distance of closest approach of the alpha particle, from the point charge, is

an alpha particle is projected with a kinetic energy of 18ev from infinity towards a fixed point charge 20 pc. the distance of closest approach of the alpha particle, from the point charge, is