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A number of droplets, each of radius r, ...

A number of droplets, each of radius `r`, combine to form a drop of radius `R`. If `T` is the surface tension, the rise in temperature will be

A

`( 2T)/( r )`

B

`( 3T)/( r)`

C

`2T[ (1)/( r ) - ( 1)/( R ) ]`

D

`3T[ (1)/( r ) - ( 1)/( R ) ]`

Text Solution

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