MCQ
The unit of percentage error is
  • A
    Same as that of physical quantity
  • B
    Different from that of physical quantity
  • Percentage error is unit less
  • D
    Errors have got their own units which are different from that of physical quantity measured

Answer

Correct option: C.
Percentage error is unit less
c
$\%$ error $=\left(\frac{\text { measused }-\text { exact value }}{\text { exact value }} \times 100\right)$

Her, we are talking about ratio of same unit so from here we cansaly that - error is uniture.

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