Q.
A capillary tube of radius r is lowered into a liquid of surface tension T and density ρ . Given angle of contact =0o . The work done by surface tension will be
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
πT2ρg
b
4πT2ρg
c
T2ρg
d
2T2ρg
answer is B.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Work done by surface tension 2πrTh=2πrT×2Trρg=4πT2ρg
Watch 3-min video & get full concept clarity