![]() Thomson called these particles as negatrons. Which clearly indicate that the cathode ray consists of a negatively charged particle. They move from the negative electrode to the positive electrode. Cathode rays also rotate the paddlewheel in their path. Thomson announced the results of his previous four months experiments on cathode rays. It is due to the kinetic energy possessed by the cathode rays. CRTs can be monochrome (using one electron gun) or colour (typically using three electron guns to produce red, green, and blue images that, when combined, render a multicolour image). They produce heat energy when they collide with the matter. cathode-ray tube (CRT), Vacuum tube that produces images when its phosphorescent surface is struck by electron beams. ![]() Importance of Cathode rays in the Study of Atomic Structure:
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