If momentum (P ), area (A) and time ( T ) are taken to be fundamental quantities, then energy has the dimensional formula

Q. If momentum (P ), area (A) and time ( T ) are taken to be fundamental quantities, then energy has the dimensional formula

1. (P1 A-1 T1)
2. (P2 A1 T1)
3. (P2 A-1/2 T1)
4. (P1 A1/2 T-1)

Answer: (P1 A1/2 T-1)