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If a soap bubble of radius 3 cm coalesce...

If a soap bubble of radius 3 cm coalesce with another soap bubble of radius 4 cm under isothermal conditions the radius of the resultant bubble formed is in cm

A

7

B

1

C

5

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
`r=sqrt(r_(1)^(2)+r_(2)^(2))`
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NARAYNA-MECHANICAL PROPERTIES OF FLUIDS-EXERCISE - I - (C.W) (COMBINATION OF DROPS & BUBBLES)
  1. If a soap bubble of radius 3 cm coalesce with another soap bubble of r...

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