Thomson's Cathode Ray Tube Experiment Video Lessons

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Problem: Cathode-ray tube.If the fluorescent screen were removed from the tube, would you be able to see the cathode rays?

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The cathode rays move from the negative cathode to the negative anode. However, the presence of the cathode rays could not be seen. 

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Problem Details

Cathode-ray tube.

Cathode rays (electrons) move from the negative cathode to the positive anode. A fluorescent screen is placed in the tube to show the path of the cathode rays. The screen gives off light when a cathode ray strikes it. The rays are deflected by a magnet and can be seen bending in the tube in the photograph.


If the fluorescent screen were removed from the tube, would you be able to see the cathode rays?

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