JEE Main · PhysicsMedium
A physical quantity $P$ is related to four observables $a, b, c,$ and $d$ as $P = \frac{a^3 b^2}{\sqrt{c} d}$. The percentage errors of measurement in $a, b, c,$ and $d$ are $1\%, 3\%, 4\%,$ and $2\%$ respectively. What is the percentage error in $P$?
- A.$12\%$
- B.$13\%$
- C.$14\%$
- D.$11\%$
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Correct answer: B — $13\%$
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