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Question
The dimensions ML−1 T−2 may correspond to
Options
work done by a force
linear momentum
pressure.
energy per unit volume.
Solution
pressure
energy per unit volume
[Work done] = [ML2T−2]
[Linear momentum] = [MLT−1]
[Pressure] = [ML−1 T−2]
[Energy per unit volume] = [ML−1 T−2]
From the above, we can see that pressure and energy per unit volume have the same dimension, i.e., ML−1 T−2.
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