Q. Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same liquid. The ratio of heights through which liquid will rise in the tubes is
A) 1 : 2
B) 2 : 1
C) 1 : 4
D) 4 : 1
Explanation
(b) Height, $h \propto 1/R$
So $h_{1}/h_{2} = R_{2}/R_{1} = 0.4/0.2 = 2$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.