Questions
If the error in measuring the mass of a sphere is 2% and radius is 1%, What is the maximum error is measuring the density of its material?
a
2.5%
b
4%
c
3%
d
5%
detailed solution
Correct option is D
Density=MassVolume⇒p=m43πr3=34π.m.r−3∴Δppmax×100%=Δmm×100%+3Δrr×100%=2%+3×1%=5%Talk to our academic expert!
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A physical quantity P is given by . The quantity which brings in the maximum percentage error in P is
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