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the weight of liquid in both capillaries must be equal the radius of meniscus must be equal the capillaries must be cylindrical and vertical the hydrostatic pressure at the base of capillaries must be same

Answer :

A::BSolution :

`h=T/(Rdg)` <br> Given `h, T, d` and `g` are fixed hence `R` must be same. As weight of the liquid is balanced by force due to surface tension `(Tcostheta and `R` are fixed for a given liquid, given material of capillary at a constant temperature) hence, weights of liquids in both the capillaries must be equal. <br> so options a and b are correct.