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.
Found an issue with this question?
Related Questions
More from Significant Figures
More from
Which of the following equations for a physical quantity is dimensionally consistent?
Physical QuantitiesPhysics
In an experiment to find out the diameter of wire using screw gauge, the following observation were noted:
MeasurementsPhysics
The numbers 2.745 and 2.735 on rounding off to 3 significant figures will give
Units and MeasurementsPhysics