Physics, asked by Hados566, 1 year ago

An electron of mass m and charge e is accelerating from rest through a potential difference v in vacuum it's final speed will be

Answers

Answered by govindsharmazerofour
2

energy gained by electron when it passes through potential difference of V volt is eV now this energy will converted to kinetic energy and kinetic energy is equal to 1/2×mv^2

equating it with the the given energy

1/2×mv^2 = eV

v=(2eV/m)^2

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