A) \[[{{M}^{0}}{{L}^{0}}{{T}^{0}}]\]
B) \[[{{M}^{0}}{{L}^{-1}}{{T}^{0}}]\]
C) \[[{{M}^{0}}{{L}^{0}}{{T}^{-1}}]\]
D) \[[{{M}^{-1}}{{L}^{-1}}{{T}^{0}}]\]
Correct Answer: B
Solution :
Wave number \[=\frac{1}{\lambda }\] \[\therefore \] Dimensions of wave number \[=[{{M}^{0}}{{L}^{-1}}{{T}^{0}}]\]
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