Physics 9702 · AS & A Level · Errors and uncertainties

Errors and uncertainties — practice question

The acceleration of free fall on Earth is stated as $(10 \pm 2)\,\text{m s}^{-2}$. Which of the following statements is correct?

  • AThe value is accurate but not precise.
  • BThe value is both precise and accurate.
  • CThe value is neither precise nor accurate.
  • DThe value is precise but not accurate.

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