QuestionReportPhysics Question on Surface tensionS.l. unit of surface tension isANm−1Nm^{-1}Nm−1BNs/mCJ/sDN/mAnswerNm−1Nm^{-1}Nm−1ExplanationSolutionS=FLS= \frac {F}{L}S=LF=>unit of S is Nm−1Nm^{-1}Nm−1