13.
Joule is the unit of
Answer : C. energy
14.
The SI unit for luminous intensity is ______
Answer : C. Candela
15.
Unit of force in the M.K.S system is
Answer : B. Newton
16.
Electron-volt is a unit to measure
Answer : B. energy
17.
Dyne is a unit of
Answer : A. force
18.
The unit of surface tension is
Answer : A. N/m