Physics (AS & A Level) · May / June 2024 · Paper 12 · Question 2
The value of quantity X has a percentage uncertainty of 2%. The value of quantity Y has a percentage uncertainty of 4%. The value of a quantity W is calculated from the values of X and Y. The value of W has a percentage uncertainty of 8%. What could be the relationship between W, X and Y?
- AW = XY
- BW = 2XY
- CW = \frac{X}{Y^2}
- DW = \frac{Y}{X^2}
As printed in the paper
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Correct answer: D. W = \frac{Y}{X^2}
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