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Per NCERT Table 6.1, the moment of inertia of a uniform DISC of mass M and radius R about its central axis (⊥ to plane) is which?
A(1/2) M R²
BM R²
C(2/5) M R²
D(1/4) M R²
Answer & Solution
Correct answer: A. (1/2) M R²
NCERT Table 6.1 (4): I_disc (⊥ to plane, through centre) = (1/2) M R². Half of ring's value due to mass at varying r.
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