A metallic wire of density ρ floats horizontal in water. The maximum radius of the wire so that the wire may not sink will be: (surface tension of water = T and angle of contact θ = 0 0 ) –
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Text Solution
Verified by ExpertsThe correct answer is:
A
2T λ cos θ = mg = π r 2 λ ρ g
∴ r = 
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