NCERT · Class 11 · Physics · Units and MeasurementsThe number of significant figures in 0.007 is:
Step-by-Step Solution
Trailing zeros to the left of the first non-zero digit are not significant. Only the digit 7 is significant here.
Detailed Options Breakdown
Option : 4
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Units and Measurements.
Option 1: 3
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Units and Measurements.
Option 2: 2
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Units and Measurements.
Option 3: 1 (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
💡 Study Guide: This question tests core syllabus concepts from Units and Measurements. For formulas, key summaries, and mock exam reference guides, read the full Units and Measurements Revision Notes.