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  • Solve this problem Two droplets merge with each other and forms a large droplet. In this process

 Two droplets merge with each other and forms a large droplet. In this process

  • Option 1)

     Energy is liberated

  • Option 2)

     Energy is absorbed

  • Option 3)

     Neither liberated nor absorbed

  • Option 4)

     Some mass is converted into energy

 

Answers (1)

best_answer

As we learnt in 

Surface energy -

The energy required to increase the surface area of the liquid by one unit is defined as surface energy.

-

 

When two droplets merge with each other, their surface energy decreases.

W= T\left ( \Delta A \right )= \left ( negative \right )i.e.\: Energy \: is \: released


Option 1)

 Energy is liberated

Correct

Option 2)

 Energy is absorbed

Incorrect

Option 3)

 Neither liberated nor absorbed

Incorrect

Option 4)

 Some mass is converted into energy

Incorrect

Posted by

prateek

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