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Surface Tension

The work done...

Question

The work done by pressure in forcing 1 $m^{3}$ of water through a pipe if the pressure difference across the pipe is $10^{4}$ Pa, is

A

10^{5} J

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B

10^{4}

J

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C

10^{3} J

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D

10^{2} J

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Solution

The correct option is B $10^{4}$ J
Volume $(V) = 1 m^{3}$
Pressure $(P) = 10^{4}$ Pa
Work $= P V$
Work $= 10^{4} J$
Correct option is $(B)$

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