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Air is blown through a pipe AB at a rate...

Air is blown through a pipe AB at a rate of 15 litres per minute. The cross sectional area of the broad portion of the pipe AB is `2 cm^(2)` and that of the narrow portion is `0.5 cm^(2)`. The difference in water level h is `(rho_("air") = 1.32 kg//m^(3))`

A

`5.26 mm`

B

`1.54 mm`

C

`4.38 mm`

D

`3.26 mm`

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The correct Answer is:
B
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