JEE Main 2017 Physics question
Time (), velocity () and angular momentum () are chosen as fundamental quantities instead of mass, length and time. In terms of these, the dimensions of mass would be:
Answer: (1)
Solution
Start from the familiar dimensions in the MLT system: and . From the first, . Substituting into the second,
[h] = \mathrm M = \mathrm M .
Solving for the mass,
\mathrm M = = [\mathrm \mathrm
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