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Q.

The radius and height of a cylinder are measured as 5 cm and 10 cm respectively and there is an error of 0.02 cm in both the measurements . The relative error in volume is

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a

1

b

0.01

c

0.001

d

– 1

answer is A.

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Detailed Solution

r=5 h=10  δr=δh=0.02 v=πr2h log v= log π+2 log x+log h 1vδv=2rδr+1hδh          =25+110(0.02)           =5100.02=0.01

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