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-clc;
-d=3*10^-3; //diameter of glass tube in meter
-r=d/2; //calculating radius of glass tube in meter
-//capillary rise for water
-theta=0; //angle of contact between liquid and galss tube in degree
-t=0.0736; //surface tension of water in N/m
-w=9810; //specific weight of water in N/m^3
-s=1; //specific gravity of water
-h=(2*t*cos(theta*(3.14/180))*10^3)/(s*w*r); //calculating capillary rise
-printf('capillary rise for water is %f milimeter\n',h);
-//capillary rise for mercury
-theta=130;//angle of contact between liquid and galss tube in degree
-t=0.51; //surface tension of water in N/m
-w=9810; //specific weight of water in N/m^3
-s=13.6; //specific gravity of mercury
-h=(2*t*cos(theta*3.14/180)*10^3)/(s*w*r); //calculating capillary rise
-printf('capillary rise for mercury is %f milimeter\n',h);
-printf('negative sign indicate capillary depression');