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Chemistry CBSE Live product
Class 9 (2026-27)
Journey Inside the Atom
History of Atomic Theory
2.
Discovery of electron
Question:
2
m.
Choose
the
suitable
answer:
1.
In J. J. Thomson’s discharge tube experiment, cathode rays were produced under which conditions?
Low temperature and low voltage
High temperature and high pressure
Low gas pressure and high voltage
High gas pressure and low voltage
2.
Cathode rays consists of a stream of particles that carry:
Positive charge
Double positive charge
Negative charge
No charge
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