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Physics - Error Question with Solution | TestHub

PhysicsErrorMiscellaneousEasy2 minPYQ_2021
PhysicsEasynumerical

The radius of a sphere is measured to be(7.50±0.85) cm. Suppose the percentage error in its volume isx. The value ofx, to the nearestx, is ___ .

Answer:
34.00
Solution:

v=43πr3

taking log & then differentiate

dVV=3drr=3×0.857.5×100%=34%

Stream:JEESubject:PhysicsTopic:ErrorSubtopic:Miscellaneous
2mℹ️ Source: PYQ_2021

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