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A person in a lift which descends down w...

A person in a lift which descends down with an acceleration of `1.8 m//s^2` drops a stone from a height of 2 m. The time of decent is

A

`sqrt2` sec

B

`2sqrt2` sec

C

`1//sqrt2` sec

D

`1/2` sec

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Verified by Experts

The correct Answer is:
C
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