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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 the percentage error in the determination of L is 2% and that in F is 4%. What is the permissible error in pressure?

A

0.08

B

0.06

C

0.04

D

0.02

Text Solution

Verified by Experts

The correct Answer is:
A
`p=(F)/(A)=(F)/(L^(2))=FL^(-2)`
% error in pressure =(% error in `F`) + 2(error in `L`)
=(4%)+2(2%)=8%
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