JEE Main Physics question
The unit of surface tension in the SI system is **[MP PMT 1984, CPMT 1985, AFMC 1987, CBSE PMT 1986, K CET 1993, DCE 1999, Orissa PMT 2000, Orissa PMT 2001, Orissa PMT 2003, Orissa PMT 2004]**
Answer: (B)
Solution
Surface tension is force per unit length, so its SI unit is N/m.