Question: An electron is accelerated from rest in the electron gun of a cathode ray oscilloscope by a potential difference of 1.80 x 10 3 V.

An electron is accelerated from rest in the electron gun of a cathode ray oscilloscope by a potential difference of 1.80 x 10³ V.

The electron then enters exactly half-way between two parallel and horizontal deflecting plates which are 4.00 cm apart and across which is applied a potential of 420.0 V.

The electric field between the plates deflects the electron from its straight line path down the axis of the tube into a parabolic path.

The electron travels ____________ cm horizontally before colliding with the positive plate.

An electron is accelerated from rest in the electron gun of a

+ electron gun A 4.00 cm 420.0 V 1800 V

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