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Why did Thomson observe two glowing dots when he put neon gas into a cathode-ray tube?
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Why did Thomson observe two glowing dots when he put neon gas into a
cathode-ray tube?

User Dan Constantinescu
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Answer:

Electrons accelerated to high velocities travel in straight lines through an empty cathode ray tube and strike the glass wall of the tube, causing excited atoms to fluoresce or glow.

User Spencer Moran
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