If two soap bubbles of equal radii r coalesce then the radius of curva – McqOptions

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1.	If two soap bubbles of equal radii r coalesce then the radius of curvature of interface between two bubbles will be [J&K CET 2005]
A.	r
B.	0
C.	Infinity
D.	1/2r
Answer» D. 1/2r

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