1.

The area of the surface of water in a vessel is 40cm^2. It is transferred into a cylindrical vessel of area of cross section 220cm^2. If the surface tension of water is 0.07 Nm^(-1), the workdone in the transfer of water is neglect gravity.

Answer»

12.6 erg
1.26 erg
`12.6 XX 10^(-4)` J
`1.26 xx10^(-4)` J

Answer :C


Discussion

No Comment Found