Question

Question: 1 A physical quantity A is related to four observations abc and d as follows, A=a²b31cd.
The percentage errors of measurement in abc and d are 1% 3%, 2% and 2% respectively. What is
the percentage error in the quantity A
1.12%
2. 7%
3.5%
4. 14%.
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Answer 1

Answer:

Correct answer is (2) 14.5% = 2 x 2 + 2323x 1.5 + 1212x 4 + 3 x 2.5 = 14.5%Read more on Sarthaks.com - https://www.sarthaks.com/903863/a-physical-quantity-z-depends-on-four-observables-a-b-c-and-d-as-z-a-2b-2-3-c-d-3

Explanation:

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