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प्रश्न
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes, ______
विकल्प
L
L/2
2L
L/`sqrt2`
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उत्तर
A rigid body rotates with an angular momentum L. If its kinetic energy is halved, the angular momentum becomes, `underline(L/sqrt2)`.
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