Question

The potential energy of a practical of mass 1 kg in motion along the is x-axis given by :
U = 4 (1 - cos 2x), where x is in metres. The period of small oscillation (in sec) is

• A. $2\pi$
• B. $\pi$
• C. $\frac{\pi }{2}$
• D. $0$

Answer 1

The correct option is C $\frac{\pi }{2}$

Option C is correct.