When a smaller bubble and a bigger bubble come in contact then Radius of their interface = Râ‚Râ‚‚/(Râ‚ - Râ‚‚) = 8/2 = 4cm
NEET 2026 registration deadline extended to March 11 for MBBS, BDS; exam on May 3
NEET 2026 Registration LIVE: NTA extends MBBS, BDS application deadline to March 11; exam date
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