7. A spherical liquid drop of radius R is divided into eight equal droplets. If surface tension is T, then the work done in this process will be
(a) 2 πR2T
(b) 3 πR2T
(c) 4 πR2T
(d) 2 πR2T
Ans. c
(30)
Not a member yet? Register now
Are you a member? Login now