Properties Of Solids And Liquids Question 160
Question: Due to capillary action, a liquid will rise in a tube, if the angle of contact is[DPMT 1984; AFMC 1988; BHU 2001]
Options:
A) Acute
B)Obtuse
C) 90°
D)Zero
Show Answer
Answer:
Correct Answer: A
Solution:
$ h=\frac{2T\cos \theta }{rdg} $ . If q is less than 90° then h will be positive
