Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2009

  • question_answer
     If a big drop of water is broken into smaller drops the surface energy

    A)  increases

    B)  decreases

    C)  remains unchanged

    D)  can increase as well as decrease

    Correct Answer: A

    Solution :

    When a drop of radius R splits into n smaller drops, (each of radius r), then surface area of liquid increases and hence surface energy increases.


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