What is Canal Rays?

Canal rays are also known as Anode rays as they are a beam of positive ions that are created by certain types of gas-discharge tubes. They were first observed in Crookes tubes during experiments by the German scientist Eugen Goldstein, in 1886. Later work on anode rays by Wilhelm Wien and J. J. Thomson led to the development of mass spectrometry.

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Updated on: 10-Oct-2022

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