5A A beam of electrons whose kinetic energy is K exits a small hole n which is located at the end of the acceleration tube. It is at a distance d from the exit point placed a metal plate, perpendicular to the direction of the beam. Show that the electrons do not reach the plate if we apply a magnetic field such that B > √2m¸K/e² d², where me and e are the mass and charge of the electron respectively.
5A A beam of electrons whose kinetic energy is K exits a small hole n which is located at the end of the acceleration tube. It is at a distance d from the exit point placed a metal plate, perpendicular to the direction of the beam. Show that the electrons do not reach the plate if we apply a magnetic field such that B > √2m¸K/e² d², where me and e are the mass and charge of the electron respectively.
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Transcribed Image Text:5A
A beam of electrons whose kinetic energy is K exits a small hole n which is located at the
end of the acceleration tube. It is at a distance d from the exit point placed a metal plate,
perpendicular to the direction of the beam.
Show that the electrons do not reach the plate if we apply a magnetic field
such that B > √2m¸K/e² d², where me and e are the mass and charge of the electron
respectively.
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