1.

The pressure on a square plate is measured by measureing the force on the plate and the percentage error of measurement of force and length are respectively 4% and 2%, the maximum error in the measurement of pressure is-A. 0.01B. 0.02C. 0.06D. 0.08

Answer» `P=(F)/(A)=(F)/(L^(2))`
For max. error
`(DeltaP)/(P)=(DeltaF)/(F)+(2DeltaL)/(L)=4%+2(2%)=8%`


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