Thermo

If length of cylinder on heating inc. 2%,then are of base will increase ___%

1 Answers

Î”l/l = 2/100
Î±Î”T = 2/100
Î”T = 2/(100Î±)

Î”A/A = Î²Î”T
= 2Î± 2/100Î±
= 4/100

Thus area of base will inc. 4% [1]
Hope I'm correct cos I don't want answer wrongly in the very few eureka threads to which I reply[4]

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