ANGULAR MOMENTUM \& CONSERVATION OF ANGULAR MOMENTUM
Rotational Motion

269328 A hollow sphere partly filled with water has moment of inertia\(\mathrm{I}\) when it is rotating about its own axis at an angular velocity . If its angular velocity is doubled then its moment of inertia becomes

1 Less than\(I\)
2 More than\(I\)
3 I
4 zero
Rotational Motion

269329 If most of the population on earth is migrated to poles of the earth then the duration of a day

1 increases
2 decreases
3 remains same
4 first increases then decreases
Rotational Motion

269330 The law of conservation of angular momentum is obtained from Newton's II law in rotational motion when

1 external torque is maximum
2 external torque is minimum
3 external torque is zero
4 external torque is constant
Rotational Motion

269331 If earth shrinks then the duration of day

1 increases
2 decreases
3 remains same
4 first increases then decreases to initial value
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Rotational Motion

269328 A hollow sphere partly filled with water has moment of inertia\(\mathrm{I}\) when it is rotating about its own axis at an angular velocity . If its angular velocity is doubled then its moment of inertia becomes

1 Less than\(I\)
2 More than\(I\)
3 I
4 zero
Rotational Motion

269329 If most of the population on earth is migrated to poles of the earth then the duration of a day

1 increases
2 decreases
3 remains same
4 first increases then decreases
Rotational Motion

269330 The law of conservation of angular momentum is obtained from Newton's II law in rotational motion when

1 external torque is maximum
2 external torque is minimum
3 external torque is zero
4 external torque is constant
Rotational Motion

269331 If earth shrinks then the duration of day

1 increases
2 decreases
3 remains same
4 first increases then decreases to initial value
Rotational Motion

269328 A hollow sphere partly filled with water has moment of inertia\(\mathrm{I}\) when it is rotating about its own axis at an angular velocity . If its angular velocity is doubled then its moment of inertia becomes

1 Less than\(I\)
2 More than\(I\)
3 I
4 zero
Rotational Motion

269329 If most of the population on earth is migrated to poles of the earth then the duration of a day

1 increases
2 decreases
3 remains same
4 first increases then decreases
Rotational Motion

269330 The law of conservation of angular momentum is obtained from Newton's II law in rotational motion when

1 external torque is maximum
2 external torque is minimum
3 external torque is zero
4 external torque is constant
Rotational Motion

269331 If earth shrinks then the duration of day

1 increases
2 decreases
3 remains same
4 first increases then decreases to initial value
Rotational Motion

269328 A hollow sphere partly filled with water has moment of inertia\(\mathrm{I}\) when it is rotating about its own axis at an angular velocity . If its angular velocity is doubled then its moment of inertia becomes

1 Less than\(I\)
2 More than\(I\)
3 I
4 zero
Rotational Motion

269329 If most of the population on earth is migrated to poles of the earth then the duration of a day

1 increases
2 decreases
3 remains same
4 first increases then decreases
Rotational Motion

269330 The law of conservation of angular momentum is obtained from Newton's II law in rotational motion when

1 external torque is maximum
2 external torque is minimum
3 external torque is zero
4 external torque is constant
Rotational Motion

269331 If earth shrinks then the duration of day

1 increases
2 decreases
3 remains same
4 first increases then decreases to initial value