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A force F is applied on a square plate o...

A force F is applied on a square plate of side L. If percentage erroe in determine of L is 2% and that in F 4% the permissible error in pressure is…..

A

0.02

B

0.04

C

0.06

D

0.08

Text Solution

Verified by Experts

The correct Answer is:
D
Pressure P=`(F)/(A)=(F)/(L^(2))`
`(DeltaP)/(P)xx100=((DeltaF)/(F)xx100)+2((DeltaL)/(L)xx100)=4%+2(2%)`
`(DeltaP)/(P)xx100=8%`
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