A) \[[M{{L}^{-1}}{{T}^{-1}}]\]
B) \[[ML{{T}^{-1}}]\]
C) \[[{{M}^{0}}L{{T}^{-1}}]\]
D) \[[M{{L}^{0}}{{T}^{-1}}]\]
Correct Answer: D
Solution :
\[F\propto v\] \[\Rightarrow \] \[F=kv\,\,\,\Rightarrow \,\,\,[k]\] \[=\left[ \frac{F}{v} \right]=\left[ \frac{ML{{T}^{-2}}}{L{{T}^{-1}}} \right]=[M{{L}^{0}}{{T}^{-1}}]\]
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