A certain number of spherical drops of a liquid of radius R coalesce to form a single drop of radius R and volume V If T is the surface tension of the liquid, then:
A. energy = 4VT(\(\frac { 1 }{ r }\) – \(\frac { 1 }{ R }\)) is released
B. energy = 3 VT(\(\frac { 1 }{ r }\) + \(\frac { 1 }{ R }\)) is absorbed
C. energy = 3VT (\(\frac { 1 }{ r }\) – \(\frac { 1 }{ R }\))is released
D. energy is neither released nor absorbed
Answer:C
A certain number of spherical drops of a liquid of radius R coalesce to form a single drop of radius R and volume V If T is the surface tension of the liquid, then:
A. energy = 4VT(\(\frac { 1 }{ r }\) – \(\frac { 1 }{ R }\)) is released B. energy = 3 VT(\(\frac { 1 }{ r }\) + \(\frac { 1 }{ R }\)) is absorbed C. energy = 3VT (\(\frac { 1 }{ r }\) – \(\frac { 1 }{ R }\))is released D. energy is neither released nor absorbed