1.

Force and area are measured as `20N` and `5m^(2)` with errors `0.05N` and `0.0125m^(2)`. The maximum error in pressure is (`SI` unit)A. `4 +- 0.625`B. `4 +- 0.5`C. `4 +- 0.125`D. `4 +- 0.02`

Answer» Correct Answer - D
`P = (F)/(A) implies (Delta P)/(P) = (Delta F)/(F) + (Delta A)/(A) implies DeltaP = P ((Delta F)/(F) + (Delta A)/(A))`


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