Water rises in a capillary tube to a height h. it will rise to a height more than h
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B
Water will rise to a height more than h when downward force (mg eff ) becomes lesser than mg.
so in a lift accelerating downwards, g eff is (g –a 0 ). Hence capillary rise is more.
On the poles g eff is even more than g. Hence the capillary will even drop.
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