Physics-Significant Figures
NEET Physics Significant Figures MCQ Question
Type: MCQ-numerical-Hard-Class 11
The masses of two objects are measured as 12.3 g and 0.00456 g. When these masses are added, what is the sum reported with the correct number of significant figures?
A
12.30456 g
B
12.305 g
C
12.30 g
D
12.3 g
Correct Answer
Option D
Detailed Explanation
When adding numbers, the result should be reported with the least number of decimal places of any number in the sum. Here, 12.3 has the least decimal places (1), so the sum should be 12.3 g.
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