1. $$\frac{1}{{2\pi }} \times \sqrt {\frac{{\text{s}}}{{\text{m}}}} $$
  2. $$\frac{1}{{2\pi }} \times \sqrt {\frac{{\text{g}}}{\delta }} $$
  3. $$\frac{{0.4985}}{{\sqrt \delta }}$$
  4. Any one of these
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1 Answers

Answer: Option 4

Let'

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