A rod of length L and mass M is bent to form a semicircular ring as shown in figure. The moment of inertia about XY is
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Official Solution
Correct Option: (1)
Step 1: Geometry
For a semicircular ring, . Step 2: Concept
The moment of inertia of a semicircular ring about its diameter (XY) is . Step 3: Calculation
. Final Answer: (a)
