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Two bodies have their moments of inertia...

Two bodies have their moments of inertia `I` and `2 I` respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio.

A

`1:2`

B

`sqrt2 :1`

C

`1:sqrt2`

D

`2 :1`

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The correct Answer is:
C
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MOTION-ROTATIONAL MOTION -Exercise - 3 ( Section-A )
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  5. A horizontal platform is rotating with uniform angular velcity around ...

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  6. The moment of inertia of a uniform circular disc of radius R and mass ...

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  7. The moment of inertia of a rod about an axis through its centre and pe...

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  11. For the given uniform square lamina ABCD, whose centre is O

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  12. A thin rod of length L and mass M is bent at its midpoint into two hal...

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  13. The ratio of the radii of gyration of a circular disc to that of a cir...

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  14. Assertion: The velocity of a body at the bottom of an inclind plane of...

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  15. Four identical thin rods each of mass M and length l3, form a square f...

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  16. A thin circular ring of mass M and radius R is rotating in a horizonta...

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  17. If is the force acting on a particle having position vector and be the...

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  18. A circular disc of moment of inertia I(t) is rotating in a horizontal...

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  19. A thin circular ring of mass m and radius R is rotating about its axis...

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  20. From a circular disc of radius R and mass 9 M , a small disc of radius...

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