Liquid rises in a capillary to height h. In which of the following case will water rise more than h?
(A) In an elevator accelerates downwards
(B) In an elevator accelerates upwards
(C) On poles
(D) height will remain constant
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Answer: an elevator that is accelerating downwards.
Explanation: because the net acceleration
will be (g-a) so the bet force will be less than gravitational force, so liquid will rise up to more height.
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