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A spherical soap bubble of radius 1 cm i...

A spherical soap bubble of radius 1 cm is formed inside another of radius 4 cm. The radius of single soap bubble which maintains the same pressure difference as inside the smaller and outside the larger soap bubble is --------------- cm.

A

1

B

0.8

C

0.5

D

0.25

Text Solution

Verified by Experts

The correct Answer is:
B
`r=(r_(1)r_(2))/(r_(1)+r_(2))`
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