A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, ≈í¬± = Angle of contact of the liquid surface, and ≈ì√â = Surface tension)#

A glass tube of small diameter (d) is dipped in fluid. The height of r

1.	A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, ≈í¬± = Angle of contact of the liquid surface, and ≈ì√â = Surface tension)#
A.	4wd/≈ì√â cos≈í¬±
B.	≈ì√â cos≈í¬±/4wd
C.	4≈ì√â cos≈í¬±/wd
D.	wd/4≈ì√â cos≈í¬±
Answer» D. wd/4≈ì√â cos≈í¬±