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n' droplets of equal of radius r coalesc...

n' droplets of equal of radius r coalesce to form a bigger drop of radius R. The energy liberated is equal to ( T = Surface tension of water )

A

` 4piR^(2)T[n^(1//3)-1]`

B

` 4pir^(2)T [ n^(1//3)-1]`

C

` 4 pi R^(2)T [ n^(2//3) -1]`

D

` 4 pi r^(2)T [ n^(2//3)-1]`

Text Solution

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The correct Answer is:
A
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NIKITA PUBLICATION-SURFACE TENSION-Multiple Choice Questions (Question Given in MHT-CET )
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  11. Absorption of water by filter paper is due to

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