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Home
Class 11
PHYSICS
The moment of inertia of a ring about on...

The moment of inertia of a ring about one of its diameters is I.What willbe its moment of inertia about a tangent parallel to the diameter ?

A

4I

B

2I

C

`3/2` I

D

3I

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Text Solution

Verified by Experts

The correct Answer is:
D
`I_(T) =I + mR^(2) =1/2mR^(2) + mR^(2)`
`=3 xx 1/2 mR^(2)=3I`
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Knowledge Check

  • The moment of inertia of a circular ring about one of its diameters is I . What will be its moment of inertia about a tangent parallel to the diameter?

    A
    4 I
    B
    2 I
    C
    `(3)/(2) I`
    D
    `3 I`

  • The moment of inertia of a ring about one of its diameter is 2 kg m^(2) . What will be its moment of inertia about a tangent parallel to the diameter?

    A
    `2 kg m^(2)`
    B
    `6 kg m^(2)`
    C
    `4 kh m^(2)`
    D
    `5 kg m^(2)`

  • The moment of inertia of a circular dics about one of its diameters is l. What will be its moment of inertia about a tangent parallel to the diameter?

    A
    `4l`
    B
    `2l`
    C
    `(5l)/(2)`
    D
    `5l`

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