A drop of liquid of density ρ is floating half immersed in a liquid of density σ and surface tension 7.5 × 10–4 N cm–1. The radius of drop in cm will be (g = 10 ms–2)
1
\(\rm \frac{15}{\sqrt{(2\rho-\sigma)}}\)
2
\(\rm \frac{15}{\sqrt{(\rho-\sigma)}}\)
3
\(\rm \frac{3}{2\sqrt{(\rho-\sigma)}}\)
4
\(\rm \frac{3}{20\sqrt{(2\rho-\sigma)}}\)
5
Question Not Attempted