If 2 bubble of radius r1 & r2 are combined then find radius... | Physics | SolveeIt

If 2 bubble of radius r1 & r2 are combined then find radius of common surface

$\frac{r_1r_2}{r_1+r_2}$

$\frac{r_1r_2}{r_2-r_1}$

$\sqrt{r_1r_2}$

$\frac{r_1+r_2}{2}$

Answer

$\frac{r_1r_2}{r_2-r_1}$

Explanation

The correct option is (B): $\frac{r_1r_2}{r_2-r_1}$ .

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