A sphere increases its volume at the rate of \pi {\cc} \/ {\s}. The rate at which its surface area increases when the radius is 1 {\cm} is ......................

Correct Answer is : 2π sq⋅cm∕s

2 \pi { sq} \cdot {\cm} \/ {\s}

\frac{3 \pi}{2} { sq} \cdot {\cm} \/ {\s}

\frac{\pi}{2} { sq} \cdot {\cm} \/ {\s}

KCET 2011 Math Solved Paper

Question : 48 of 60

Marks: +1, -0

A sphere increases its volume at the rate of π‌cc∕s. The rate at which its surface area increases when the radius is 1‌cm is ......................

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