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At the mount of the tap area of cross-se...

At the mount of the tap area of cross-section is `2.0cm^(2)` and the speed of water is `3m//s`. The area of cross-section of the water column 80 cm below the tap is (use `g=10m//s^(2))`

A

`0.6cm^(2)`

B

`1.2cm^(2)`

C

`1.5cm^(2)`

D

`2.0cm^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`v_(2)^(2)=v_(1)^(2)+2gh,A_(1)v_(1)=A_(2)v_(2)`
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