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A force F is applied on a square area of side L. Ifthe percentage error in the measurement of L is2% and that in Fis 4%, what is the maximumpercentage error in pressure?(2) 4%(1) 2%(3) 6%(4) 8% |
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Answer» Percentage error in F=4% We know that, P= A F = L 2
F
P △P ×100= F △F ×100+2 L △L ×100 =[4+2(2)]% = 8%. |
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