For a cubical block , error in measurement of sides is $\pm$1% and error in measurement of mass is $\pm$2%, then the maximum possible error in density is
Options:
1%
5%
3%
7%
Correct Answer:
5%
Explanation:
Error in density = $\frac{\Delta M}{M} + \frac{3\Delta L}{L}$ = 2% +3*1% = 5%