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प्रश्न
Derive a formula for the length of second's pendulum.
उत्तर
∴ For second's pendulum,
`2 = 2pi sqrt("L"_"s"/"g")`
Where Ls is the length of seconds pendulum having period
T = 2s
∴ `"L"_"s" = "g"/"p"^2`
This is a formula for the length of second's pendulum.
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