If the length of a cylinder on heating increases by \( 2 \% \), the area of its base will increa...

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If the length of a cylinder on heating increases by \( 2 \% \), the area of its base will increase by [CPMT 1993; BHU 1997]
(a) \( 0.5 \% \)
(b) \( 2 \% \)
(c) \( 1 \% \)
(d) \( 4 \% \)
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