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6. Work done in splitting a drop of water of 1 mm radius

into 106 droplets is (Surface tension of water= 72 x 10-3 J/m2

(a) 9.58 x 10-5 j

(b) 8.95 x 10-5 j

(c)  5.89 x 10-5 j

(d) 5.98 x 10-6 j

Ans. b

(254)

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