Properties Of Solids And Liquids Question 366
Question: If two soap bubbles of equal radii r coalesce then the radius of curvature of interface between two bubbles will be[J&K CET 2005]
Options:
A) r
B) 0
C) Infinity
D)1/2r
Show Answer
Answer:
Correct Answer: C
Solution:
$ r=\frac{r _{1}r _{2}}{r _{2}-r _{1}}=\infty \ \sin ce\ r _{1}=r _{2} $
