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Unformatted text preview: so on). The construction of a CRT is
shown in Figure 2-6. The cathode rays produced in the CRT are invisible,
and they can be detected only by the light emitted by materials that they
strike. These materials, called phosphors, are painted on the end of the CRT so
that the path of the cathode rays can be revealed. (Fluorescence is the term
used to describe the emission of light by a phosphor when it is struck by Effect of a magnetic field
on charged particles
When charged particles
travel through a magnetic
field so that their path is
perpendicular to the field,
they are deflected by the...
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