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Physics
Physics
Problem
If momentum (
P
P
P
), area (
A
A
A
) and time (
T
T
T
) are taken to be the fundamental quantities then the dimensional formula for energy is : a.
[
P
2
A
T
−
2
]
[P^2AT^{-2}]
[
P
2
A
T
−
2
]
b.
[
P
A
−
1
T
−
2
]
[PA^{-1}T^{-2}]
[
P
A
−
1
T
−
2
]
c.
[
P
A
1
/
2
T
−
1
]
[PA^{1/2}T^{-1}]
[
P
A
1/2
T
−
1
]
d.
[
P
1
/
2
A
T
−
1
]
[P^{1/2}AT^{-1}]
[
P
1/2
A
T
−
1
]
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