Question: The accelerating voltage that is applied to an electron gun is 80 kV, and the horizontal distance from the gun to a viewing screen is

The accelerating voltage that is applied to an electron gun is

The accelerating voltage that is applied to an electron gun is 80 kV, and the horizontal distance from the gun to a viewing screen is 0.21 m. What is the deflection caused by the verti- cal component of the Earth's magnetic field of strength 4 x 10- T, assuming that any change in the horizontal component of the beam velocity is negligible. The elemental charge is 1.60218 x 10-9 C and the electron's mass is 9.10939 x 10-31 kg. Answer in units of m

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