A) \[8\,H\]
B) \[10\,H\]
C) \[20\,H\]
D) \[64\,H\]
Correct Answer: A
Solution :
As, \[m=K\sqrt{{{L}_{1}}{{L}_{2}}}\] Here, \[K=1\Rightarrow \,\sqrt{4\times 16}=8\,H\]
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