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If error in measurement of radius of a s...

If error in measurement of radius of a sphere is 1%, what will be the error in measurement of volume?

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`(Deltar)/( r) xx100 = 1%`
Volume of sphere V= `(4)/(3) pir^(3)`
Error in the measurement of volume
`(DeltaV)/(V) xx100 = 3 (Deltar)/(r )xx100= 3xx1= 3%`
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