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A beam of electrons whose kinetic energy is K emerges from
Chapter , Problem 72(choose chapter or problem)
A beam of electrons whose kinetic energy is K emerges from a thin-foil window at the end of an accelerator tube.A metal plate at distance d from this window is perpendicular to the direction of the emerging beam (Fig. 28-53). (a) Show that we can prevent the beam from hitting the plate if we apply a uniform magnetic field such that in which m and e are the electron mass and charge. (b) How should be oriented?
Questions & Answers
QUESTION:
A beam of electrons whose kinetic energy is K emerges from a thin-foil window at the end of an accelerator tube.A metal plate at distance d from this window is perpendicular to the direction of the emerging beam (Fig. 28-53). (a) Show that we can prevent the beam from hitting the plate if we apply a uniform magnetic field such that in which m and e are the electron mass and charge. (b) How should be oriented?
ANSWER:Problem 72
A beam of electrons whose kinetic energy is K emerges from a thin-foil window at the end of the accelerated tube. A metal plate at distance d from this window is perpendicular to the direction of the emerging beam (see figure). (a) Show that we can prevent the beam from hitting the plate if we apply a uniform magnetic field such that 
Step by Step Solution
Step 1 of 3
Part (a)
The diagram for the path of electron is shown as,
The kinetic energy of the electron is given as,
Therefore, the velocity of electron is calculated as,
