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Question
Shows in the following figure a siphon. The liquid shown is water. The pressure difference PB − PAbetween the points A and B is
Options
400 Nm−2
3000 Nm−2
1000 Nm−2
1000 Nm−2
Zero
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Solution
zero
At both points A and B, pressure is equal to atmospheric pressure.
Thus, we have :
PA = PB = Patm
⇒ PB - PA = 0
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