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. …