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Question

Physics Question on mechanical properties of fluid

A spherical soap bubble of radius 1 cm is formed inside another of radius 3 cm. The radius of single soap bubble which maintain's the same pressure difference as inside the smaller and outside the larger soap bubble is.......cm.

A

1

B

0.75

C

0.5

D

0.25

Answer

0.75

Explanation

Solution

r=r1r2r1+r2r = \frac{r_1 r_2}{r_1 + r_2}