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2 years ago

10

What is meant by cathode rays?what is radio activity and state three of it's effects?

1 answer:

stealth61 [152]2 years ago

5 0

1cathode rays plural : the high-speed electrons emitted in a stream from the heated cathode of a vacuum tube

2: a stream of electrons emitted from the cathode of a vacuum tube —usually used in plural

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