Q.
Surface tension may be defined as
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a
The work done per unit area in increasing the surface area of a liquid under isothermal condition
b
The work done per unit area in increasing the surface area of a liquid under adiabatic condition
c
The work done per unit area in increasing the surface area of a liquid under both isothermal and adiabatic conditions
d
Free surface energy per unit volume
answer is A.
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Detailed Solution
Surface tension of a liquid may be defined as the work done per unit area in increasing the surface area of a liquid under isothermal conditions.
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