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Nature of Physical World and Measurement — Physics STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11PhysicsNature of Physical World and Measurement1 Mark
MCQ
The maximum possible error in the difference of two quantities is ……
  • A
    $Z = A + B$
  • B
    $\Delta Z =\Delta A -\Delta B$
  • ✓
    $\frac{\Delta Z }{ Z }=\frac{\Delta A }{ A }+\frac{\Delta B }{ B }$
  • D
    $\frac{\Delta Z }{ Z }=\frac{\Delta A \Delta B }{ AB }$
✓

Answer

Correct option: C.
$\frac{\Delta Z }{ Z }=\frac{\Delta A }{ A }+\frac{\Delta B }{ B }$
$\frac{\Delta Z }{ Z }=\frac{\Delta A }{ A }+\frac{\Delta B }{ B }$

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