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Physics (AS & A Level) · Feb / March 2016 · Paper 12 · Question 4

9702Errors and uncertainties

Quantity X has a fractional uncertainty of x. Quantity Y has a fractional uncertainty of y. What is the fractional uncertainty in X/Y²?

  1. Ax + y
  2. Bx – y
  3. Cx + 2y
  4. Dx – 2y

As printed in the paper

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Correct answer: C. x + 2y

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