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1. |
A water drop of diameter 1 cm breaks into 1000 similar droplets of same diameter. What will be the gain or loss in the surface energy? (Take surface tension as 0.075 N/m) |
A. | gain of 0.424 mJ |
B. | gain of 0.212 mJ |
C. | loss of 0.212 mJ |
D. | loss of 0.424 mJ |
Answer» C. loss of 0.212 mJ | |