Physics (AS & A Level) · May / June 2026 · Paper 13 · Question 3
The value of a quantity X is calculated from the values of quantities Y and Z by using the equation shown. X = Y²/Z. The percentage uncertainty in the value of Y is twice the percentage uncertainty in the value of Z. What is the ratio (percentage uncertainty in the value of X)/(percentage uncertainty in the value of Z)?
- A1
- B3
- C4
- D5
As printed in the paper
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Correct answer: D. 5
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