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A large number of droplets, each of radi...

A large number of droplets, each of radius a, coalesce to form a bigger drop of radius `b`. Assume that the energy released in the process is converted into the kinetic energy of the drop. The velocity of the drop is `sigma =` surface tension, `rho =` density)

A

`sqrt(T/rho(1/r-1/R))`

B

`sqrt((2T)/rho(1/r-1/R))`

C

`sqrt((4T)/rho(1/r-1/R))`

D

`sqrt((6T)/rho(1/r-1/R))`

Text Solution

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The correct Answer is:
D
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