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CBSE
Class 9
Science
Exploration
Journey Inside the Atom
Question Bank

What discovery did J.J. Thomso...

Single Answer MCQ
Q-00172059

What discovery did J.J. Thomson make regarding cathode rays?

1

They are invisible

2

They carry a positive charge

3

They are negatively charged particles

4

They are composed of protons

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What significant particle did J.J. Thomson discover?

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