NEET 2026 Physics Moment of Inertia MCQ Question
A thin wire of length 'L' and linear mass density 'm' is bent into a circular ring (in x-y plane) with centre 'C' as shown in figure. The moment of inertia of the ring about an axis yy' will be:
3mL³/8π
3mL³/8π²
3mL²/8π
3mL²/8π²
Correct Answer
Detailed Explanation
The mass of the thin wire is mL. The radius of the circular ring is L/2π. Using the parallel axis theorem, the moment of inertia I_yy' is calculated as 3mL³/8π².
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