The time period of a particle of mass m, undergoing small oscillations around x = 0, in the potential V = V0 cosh\(\rm\left(\frac{x}{L}\right) \), is
1
\(\rm\pi\sqrt{\frac{m L^2}{v_0}} \)
2
\(2\rm\pi\sqrt{\frac{m L^2}{2v_0}} \)
3
\(2\rm\pi\sqrt{\frac{m L^2}{v_0}} \)
4
\(2\rm\pi\sqrt{\frac{2mL^2}{V_0}} \)