If energy E, velocity V and time T are taken as fundamental units, the dimensional formula for surface tension is
- A$[EV^{-2}T^{-2}]$
- B$[E^{-2}VT^{-2}]$
- C$[E^{-2}V^{-2}T]$
- D$[E^{-2}V^{-2}T^{-2}]$
✓ Correct answer: A
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