Water rises upto a height h in a capillary on the surface of earth in stationary condition. Value of h increases if this tube is taken

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On sun

On poles

In a lift going upward with acceleration

In a lift going downward with acceleration

answer is D.

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Detailed Solution

If lift moves downward with some acceleration then effective g decreases, so h increases. As h=2Tcos⁡θrdg∴h∝1g

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