Question
What is the difference between cathode rays and canal rays. Why are canal rays called so?
| Sr.No | Cathod rays | Canal rays |
| 1 | Cathode rays are those which contain negative ions and are negatively charged.These negative ions are called electrons. | Canal rays or positive rays are those which contain positive ions and are positively charged. These positive ions are called protons. |
| 2 | For cathode rays, the value of e/m ratio of constituent particles does not depend upon nature of gas in the discharge tube. | e/m ratio of constituent particles depend upon nature. |
| 3 | But magnitude of charge in cathode rays is always. | Magnitude of charge in canal rays is +1, but also +2,$+3, \ldots .$. |
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