Figure P19.29a is a diagram of a device called a velocity selector, in which particles of a specific velocity pass through undeflected while those with greater or lesser velocities are deflected either upwards or downwards. An clectric field is directed perpendicular to a magnetic field, producing an electric force and a magnetic force on the charged particle that can be equal in magnitude and opposite in direction (Fig. P19.29b) and hence cancel. Show that particles with a speed of v= E/B will pass through the velocity selector undeflected. Source quB Slit (a) (b) Figure P19.29

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Chapter1: Units, Trigonometry. And Vectors
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Figure P19.29a is a diagram of a device called a velocity
selector, in which particles of a specific velocity pass
through undeflected while those with greater or lesser
velocities are deflected either upwards or downwards. An
clectric field is directed perpendicular to a magnetic field,
producing an electric force and a magnetic force on the
charged particle that can be equal in magnitude and
opposite in direction (Fig. P19.29b) and hence cancel.
Show that particles with a spced of v= E/B will pass
through the velocity selector undeflected.
Source
quB
Slit
(a)
(b)
Figure P19.29
to
xx x X
Transcribed Image Text:Figure P19.29a is a diagram of a device called a velocity selector, in which particles of a specific velocity pass through undeflected while those with greater or lesser velocities are deflected either upwards or downwards. An clectric field is directed perpendicular to a magnetic field, producing an electric force and a magnetic force on the charged particle that can be equal in magnitude and opposite in direction (Fig. P19.29b) and hence cancel. Show that particles with a spced of v= E/B will pass through the velocity selector undeflected. Source quB Slit (a) (b) Figure P19.29 to xx x X
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