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Question

The length of a cylinder is measured with a meter rod having least count 0.1cm. Its diameter is measured with Vernier calipers having least count 0.01cm. Given that length is 5.0cm and radius is 2cm. Find the percentage error in the calculated value of the volume.

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Solution

Volume of cylinder V=πr2L
Percentage error in volume
ΔVV×100=2Δrr×100+Δll×100
=2(0.012.0)×100+0.15.0×100
=(1+2)=3 .

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