Physics-Significant Figures
NEET Physics Significant Figures MCQ Question
Type: MCQ-diagram based-Hard-Class 11
Imagine a diagram showing the process of calculating the density of a cube with each side measured as 5.678 m. If the calculated density is expressed as 1.23456789 g/cm³, which statement correctly represents the density with the appropriate significant figures?
A
The density should be expressed as 1.23 g/cm³.
B
The density should be expressed as 1.235 g/cm³.
C
The density should be expressed as 1.2346 g/cm³.
D
The density should be expressed as 1.234 g/cm³.
Correct Answer
Option D
Detailed Explanation
Based on the NCERT context, the number of significant figures in the measured side length is 4, so the final calculated density should also be expressed with 4 significant figures, making it 1.234 g/cm³.
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