Canal rays were discovered in 1886 by:
AGoldstein
BGoldsmith
CGoldberger
DGoldflame
Answer & Solution
Correct answer: A. Goldstein
1. They were found before the electron was identified.
2. They carried a positive charge.
3. E. Goldstein discovered them.
_Source: NCERT Class 9 Science, Ch 4 'Structure of the Atom'_
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