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Two soap bubbles, one of radius 50 mm an...

Two soap bubbles, one of radius `50 mm` and the other of radius `80 mm`, are brought in contact so that they have a common interface. The radius of the curvature of the common interface is

A

114.6 mm

B

125.6 mm

C

133.3 mm

D

154.6 mm

Text Solution

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The correct Answer is:
C
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