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A 0.02 cm liquid column balances the exc...

A 0.02 cm liquid column balances the excess pressure inside a soap bubbl of radius 7.5 mm. Determine the density of the liquid. Surface tension of soap solutionn `0.03 Nm^-1`.

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The correct Answer is:
`(8.2xx10^(3) kgm^(-3))`
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