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17. A water drop takes the shape of a sphere in a oil while the oil drop spreads in water, because

(a) C.F. for water > A.F. for water and oil

(b) C.F. for oil > A.F. for water and oil

(c)  C.F. for oil < A.F. for water and oil

(d) None of the above

Ans. a

(31)

5/5 - (1 vote)

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