A) \[\frac{L}{\sqrt{12}}\]
B) \[\frac{L}{12}\]
C) \[\sqrt{12}L\]
D) \[12L\]
Correct Answer: A
Solution :
: For a rod, \[I=\frac{M{{L}^{2}}}{12}\] \[M{{K}^{2}}=\frac{M{{L}^{2}}}{12}\] \[K=\frac{L}{\sqrt{12}}\]
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