Which one of the following statements is correct?

  • A
    Surface energy is potential energy per unit length
  • B
    Surface tension is work done per unit area
  • C
    Surface tension is work done per unit length
  • D
    Surface energy is work done per unit force

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Similar Questions

$A$ thin metal wire of density $\rho$ floats on the water surface horizontally. If it is $\text{NOT}$ to sink in water,then the maximum radius of the wire is proportional to $(T = \text{surface tension of water}, g = \text{gravitational acceleration})$.

Give two practical illustrations of surface tension.

$A$ square frame of each side $L$ is dipped in a soap solution and taken out. The force acting on the film formed is ($T =$ surface tension of soap solution). (in $TL$)

The temperature at which the surface tension of water is zero is:

$A$ beaker of radius $15\, cm$ is filled with a liquid of surface tension $0.075\, N/m$. The force across an imaginary diameter on the surface of the liquid is:

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