If the time period \( (T) \) of vibration of a liquid drop depends on surface tension \( (S) \),...

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If the time period \( (T) \) of vibration of a liquid drop depends on surface tension \( (S) \), radius \( (r) \) of the drop and density \( (\rho) \) of the liquid, then the expression of \( T \) is
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