A drop of water of mass `m` and density `rho` is placed between two weill cleaned glass plates, the distance between which is `d`. What is the force of attraction between the plates?
`(T=` surface tension)
A. `(Tm)/(2 rho d^(2))`
B. `(4Tm)/(rho d^(2))`
C. `(2Tm)/(rho d^(2))`
D. `(Tm)/(rho d^(2))`
`(T=` surface tension)
A. `(Tm)/(2 rho d^(2))`
B. `(4Tm)/(rho d^(2))`
C. `(2Tm)/(rho d^(2))`
D. `(Tm)/(rho d^(2))`
Correct Answer – C