A) \[\left[ M{{L}^{-1}}{{T}^{-1}} \right]\]
B) \[\left[ ML{{T}^{-1}} \right]\]
C) \[\left[ {{M}^{0}}L{{T}^{-1}} \right]\]
D) \[\left[ M{{L}^{0}}{{T}^{-1}} \right]\]
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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