MP Board · Class 9 · Science · Structure of the AtomWho discovered the proton through canal rays?
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Total Attempts: 5
Accuracy Rate: 60%
Step-by-Step Solution
E. Goldstein in 1886 discovered the presence of new radiations in a gas discharge tube, known as canal rays, which led to the discovery of the positively charged particle called the proton.
Detailed Options Breakdown
Option : J.J. Thomson
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.
Option 1: E. Goldstein (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Niels Bohr
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.
Option 3: John Dalton
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.
💡 Study Guide: This question tests core syllabus concepts from Structure of the Atom. For formulas, key summaries, and mock exam reference guides, read the full Structure of the Atom Revision Notes.