[" (c) "65/R],[" Q "40" .A capillary tube of length "l=30cm" and radias "],[r=(1)/(4)mm" is immersed vertically into water.Find the "],[" cupillary rise if angle of contact = "0^(@)" and coetficient of "],[" for forcerention "=72" dynderm.(Take "8=1000cm/s^(2)" )."],[" A "((a)3(3g)(3g)(rm)=72dynd)/(" 3.")35cm]