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The ratio of radius of gyration of a solid sphere of mass M and radius R about its own axis to the radius of gyration of the thin hollow sphere of same mass and radius about its axis is:


Option 1 -

5:2

Option 2 -

3:5

Option 3 -

5:3

Option 4 -

2:5

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • R

    Answered by

    Raj Pandey | Contributor-Level 9

    a month ago
    Correct Option - 2


    Detailed Solution:

    Radius of gyration of a solid surface,

    K S = 2 5 R

    Radius of gyration of a hollow surface,

    K H = 2 3 R

    ⇒ K S K H = 3 5 = 3 5

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