Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Units and Measurements

Question:

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%