Home › CBSE Class 11 (Science) › Physics › System of Particles and Rotational Motion › A circular disc of radius R has what radius of g…
A circular disc of radius R has what radius of gyration about its diameter?
AR/4
BR/3
CR/2
DR
Answer & Solution
Correct answer: C. R/2
About a diameter I = MR2/4, so k squared is R2/4 and k = R/2.
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