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29. Two capillary tubes of same diameter are put vertically one

each in two liquids whose relative densities are 0.8 and 0.6 and surface tensions are 60 and 50 dyne/cm respectively Ratio of heights of liquids in the two tubes h1/h2 is

(a)   10/9

(b)  3/10

(c)  10/3

(d) 9/10

Ans. d

(16)

5/5 - (1 vote)

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