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Consider the following statements :
107 When two water droplets merge with each other to form a
large droplet, energy is liberated.
108 The excess pressure inside a soap bubble is directly
proportional to its surface tension.
109 When a drop of water breaks into two droplets of equal
size, the sum of the surface areas of the two droplets is
equal to that of the original drop.
Which of the statements given above are correct ?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
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Answer / dukasrbin
Statement 1 is not correct beacuase when droplets are
merging their ,internal, energy grows and no energy is
liberated-it stays inside them.
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