A fountain pen Works on the principle of (a)flow of liquids from higher to lower potential (b) capillary action (c)Bernoullis principle (d)Viscosity of liquids
option.B. A fountain pen is a nib pen that, in contrast to its predecessor, the dip pen, incorporates an inner reservoir of liquid ink. The pen attracts ink from the reservoir thru a feed to the nib and deposits it on paper through a aggregate of gravity and capillary action.
