Moment of inertia of a circular section about an axis perpendicular to the section is
Moment of inertia of a circular section about an axis perpendicular to the section is Correct Answer $$\frac{{\pi {{\text{d}}^4}}}{{32}}$$
Moment of inertia for a circular section about an axis perpendicular to the section is given by $$\frac{{\pi {{\text{d}}^4}}}{{32}}$$, whered is the diameter of the circle. Therefore, the correct answer is Option C.