Q152 / 160 · AP EAMCET 2012 · Physics

Assertion (A) The moment of inertia of a steel sphere is larger than the moment of inertia of a wooden sphere of same radius. Reason (R) Moment of inertia is independent of mass of the body. The correct one is

  • A
    Both $(A)$ and $(R)$ are true, and $(R)$ is the correct explanation of (A)
  • B
    Both $(A)$ and $(R)$ are true, and $(R)$ is not the correct explanation of (A)
  • Correct answer
    C
    (A) is true but (R) is wrong
  • D
    (A) is wrong but (R) is true

Solution

Moment of inertia $I=M R^2$ i.e., the moment of inertia depends on the mass of the body.

Hence, the correct answer is option: 'C'.

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