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} $



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