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

Question:

1.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

Options :

a) Energy = 3VT((1/r) - (1/R)) is released
b) Energy is neither released nor absorbed
c) Energy = 4VT((1/r) - (1/R)) is released
d) Energy = 3VT((1/r) - (1/R)) is absorbed

Answer :

a) Energy = 3VT((1/r) – (1/R)) is released

Answer Steps :

Solution :-

Step1 :-

Step2 :-

Step3 :-

Step4 :-

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Related Questions

The kinetic energy of a particle executing a linear SHM is 16 J, when it is in the mean position. If the amplitude is 25 cm, periodic time of the particle in second is (Mass of the particle = 51.2 g)

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