A Physical quantity P is related to four observables a, b, c and d as follows P =a³b²/√ c The percentage errors of measurement in a, b, c and d are 1%, 3%, 4%, and 2% respectively. What is the percentage error in the quantity P
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Explanation:
Formula : 3 delta a / a * 100% + 2 delta b / b * 100 % + 1 /2 delta c / c * 100 % + delta d / d * 100%
= 3 * 1% + 2 * 3% + 1 / 2 * 4% + 2%
= 3% + 6% + 2% + 2%
percentage error will be 13%
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