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A particle is describing circular motion...

A particle is describing circular motion in a horizontal plane in contact with the smooth surface of a fixed rigid circular cone with its axis vertical and vertex down. The height of the plane of motion above the vertex is `h` and the semi-vertical angle of the cone is `alpha`. The period of revolution of the particle

A

Increases as h increases

B

Decreases as h increases

C

Increases as `alpha` increases

D

Decreases as `alpha` increases

Text Solution

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The correct Answer is:
A, C
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