Given below are two statements : One is labeled as Assertion (A) and other is labeled as Reason (R). Assertion (A): Time period of oscillation of a liquid drop depends on surface tension (S), if density of the liquid is $p$ and radius of the drop is $r$, then $T=k \sqrt{\frac{\mathrm{pr}^3}{\mathrm{~s}^{3 / 2}}}$ is dimensionally correct where $K$ is dimensionless. Reason (R) Using dimensional analysis we get R.H.S having different dimension than that of time period. In the light of above statements, choose the correct answer from the options given below.
Select the correct option:
A
Both (A) and (R) are true and (R) is the correct explanation of (A)
B
Both (A) and (R) are true but (R) is not the correct explanation of (A)
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