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Question

The error in measurement of radius of a sphere is 1%. What is the error in the measurement of volume?

A
4%.
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B
3%.
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C
2%.
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D
1%.
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Solution

The correct option is B 3%.

volume=43πr3

ΔVV×100=3×ΔRR×100

So , ΔVV×100=3×1100×100

=3%

∴Percentage error in volume is 3%


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