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Standard IX

Physics

Consequences of Atmospheric Pressure

A vessel A ...

Question

A vessel $A$ has volume $V$ and vessel $B$ has volume $2 V$ Both contain some water which has a constant volume.The pressure in the space above water is $p_{a}$ for vessel $A$ and $p_{b}$ for vessel $B$ ?

p_{a} = p_{b}

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p_{a} = 2 p_{b}

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p_{b} = 2 p_{a}

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p_{b} = 4 p_{a}

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Solution

The correct option is A $p_{a} = p_{b}$

REF.Image.
The pressure in the space above water is just the atmospheric pressure in both cases so it is same

Therefore, $P_{a} = P_{0} = P_{B}$
where $P_{0}$ is atmospheric pressure
Ans : A

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A vessel A has volume V and vessel B has volume 2V Both contain some water which has a constant volume.The pressure in the space above water is pa for vessel A and pb for vessel B?

The correct option is A pa=pbREF.Image.The pressure in the space above water is just the atmospheric pressure in both cases so it is sameTherefore, Pa=P0=PB where P0 is atmospheric pressureAns : A

A vessel $A$ has volume $V$ and vessel $B$ has volume $2 V$ Both contain some water which has a constant volume.The pressure in the space above water is $p_{a}$ for vessel $A$ and $p_{b}$ for vessel $B$ ?

The correct option is A $p_{a} = p_{b}$

REF.Image.
The pressure in the space above water is just the atmospheric pressure in both cases so it is same

Therefore, $P_{a} = P_{0} = P_{B}$
where $P_{0}$ is atmospheric pressure
Ans : A