Application of Derivatives Question - CBSE

Question

The rate of change of volume of a sphere with respect to its surface area when radius is $2 ext{ cm}$ is:
(a) $1 ext{ cm}$
(b) $2 ext{ cm}$
(c) $\dfrac{1}{2} ext{ cm}$
(d) $4 ext{ cm}$

Accepted Answer

$\dfrac{dV}{dS} = \dfrac{r}{2} = \dfrac{2}{2} = 1$. [1.0 Mark]

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🎯 Official CBSE Marking Scheme:
Evaluating rate $= 1$ cm: 1.0 Mark

Question:

Step-by-Step Solution

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