engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Mechanical Vibrations Undamped Free Vibration Vibration of Beam and Pendulum
Periodic time of simple pendulum is given by
1
\(2\pi \sqrt {\frac{l}{g}}\)
2
\(2\pi \sqrt {\frac{g}{l}} \)
3
\(\frac{1}{{2\pi }}\sqrt {\frac{g}{l}} \)
4
\(\frac{1}{{2\pi }}\sqrt {\frac{l}{g}}\)