The potential energy of a peticle of mass `\'m\'` situated in a unidimensional
Channel: Doubtnut
Date: 2020-01-26

The potential energy of a peticle of mass `\'m\'` situated in a unidimensional potential field varies as `U(x) = 0 [1 - cos ax]`, where `U_(0)` and a are constants. The time period of small oscillations of the particle about the mean positions is :