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Two drops of water of radius 2xx10^(-7) ...

Two drops of water of radius `2xx10^(-7)` m coalesce. What is the resultant rise in temperature? (S.T. of water `=74xx10^(-3) N m^(-1)`, sp. Heat capacity of water =4200 J/kg/K).

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The correct Answer is:
`0.05^(@)C`
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