MCQScience

MP Board · Class 9 · Science · Structure of the AtomWhat is the charge of an electron?

📊Student Analytics & Stats
Total Attempts: 4
Accuracy Rate: 50%
Step-by-Step Solution

The charge of an electron is taken as negative unity, specifically -1.6 × 10^-19 Coulombs, as determined by J.J. Thomson and later precisely measured by Robert Millikan.

Detailed Options Breakdown
Option : +1.6 × 10^-19 C

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.

Option 1: -1.6 × 10^-19 C (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

Option 2: 0 C

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Structure of the Atom.

Option 3: -1 C

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.
← All Chapter QuestionsScience Chapters