A) energy
B) work
C) linear momentum
D) angular momentum
Correct Answer: D
Solution :
Planck constant \[h=\frac{E}{v}\] Unit of \[h=\frac{unit\,of\,E}{unit\,of\,v}=\frac{Joule}{per\,\sec }\] \[=J\text{-}s\] Unit of angular momentum \[J=I\omega \] \[m{{r}^{2}}\omega \] \[=kg\,{{m}^{2}}/\sec \] \[=J\text{-}s\] Thus, unit of h = unit of J
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