Cathode ray rotate a light paddle placed in their path . This shows that cathode rays:
a) Are charged ( + vely or - vely charged )
b) Are waves
c) Are made up of material particles ( have mass )
d) Travel in straight lines
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On placing a light paddle wheel in the path of cathode rays in a discharge tube, the blades of paddle wheel rotate. It shows that cathode rays constitute particles. They consist of negatively charged particles. They generate heat when they strike a target.
Explanation:
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