Question

Two vertical glass plates 1mm apart are dipped
into water. How high will, the water rise between
the plates. If the surface tension of water is
70 dyne cm-1
(1) 1.43 cm
(2) 1.63 cm
(3) 2.86 cm (4) 3.86 cm​

Answer 1

Answer:

h=(2*10+1/1000)/1000*9.81*0.5*1/1000

h=2.86*1/100m

h=2.86 cm