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7.1k views
in NEET by (2.4k points)
If the radius  of a spherical liquid (of surface tension S ) drop increases from r to delta (◇) r, the corresponding increses in the surface energy  is

A) 8 pie r ◇r s

B) 4pie r◇r s

C) 16pie r◇rS

D) 2pie r◇rs

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1 Answer

+1 vote
by (83.9k points)

Work done in blowing a liquid drop or soap bubble

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