A capillary tube is dipped in water as s...

A capillary tube is dipped in water as shown in the figure. If `P_0` is the atmospheric pressure, `P_A` and `P_B` are pressure at A and B respectively then

`P_A=P_B=P_0`

`P_AltP_0, P_BgtP_0`

`P_AltP_0, P_B=P_0`

`P_A=P_0, P_BgtP_0`

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