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A thin circular ring first slips down a ...

A thin circular ring first slips down a smooth incline then rolls down a rough incline of identical geometry from same height. Ratio of time taken in the two motion is

A

`(1)/(2)`

B

1

C

`(1)/(sqrt(2))`

D

`(1)/(4)`

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Verified by Experts

The correct Answer is:
C
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