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Question

Can not the anode rays make the wall near the cathode, glow even without the perforation in the cathode, as the cathode rays did?

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Solution

Canal rays or Positive rays consist of positive ions, while cathode rays are electrons (negatively charged). Both anode and cathode are usually much too thick for particles to pass through, so if there are no holes and none of them make it through.​ The glow is due to scattered electrons which are much lighter than positive ions produce fluorescence on the screen.

So the anode rays cannot make the glow near the cathode.

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