Question

✴️what is cathode rays❓✴️​

Answer 1

Explanation:

Cathode rays (electron beam or e-beam) are streams of electrons observed in vacuum tubes. ... Thomson showed that cathode rays were composed of a previously unknown negatively charged particle, which was later named the electron.

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Answer 2

Answer:

Cathode ray is a beam of electrons emitted from the cathode of a high-vacuum tube.