Physics · Errors in Measurement
A physical quantity z depends on four observables a, b, c and d, as z = a2b2/3 / (c1/2d3). The percentage errors in the measurement of a, b, c and d are 2%, 1.5%, 4% and 2.5% respectively. The percentage error in z is:
- 114.5%✓
- 213.5%
- 316.5%
- 412.25%
Correct answer
14.5%
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