A) \[{{M}^{2}}{{L}^{1}}{{T}^{0}}\]
B) \[{{M}^{1}}{{L}^{-2}}{{T}^{0}}\]
C) \[{{M}^{-1}}{{L}^{3}}{{T}^{1}}\]
D) \[{{M}^{-1}}{{L}^{2}}{{T}^{3}}\]
Correct Answer: B
Solution :
In the given equation \[[\rho ]=[b][x];\] \[\therefore \] \[[b]=[\rho ]/[x]\]. But \[\rho \] is mass per unit length and x is distance, therefore \[[b]=M{{L}^{-1}}/L=M{{L}^{-2}}{{T}^{0}}\] 0
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