question_answer

   If the differential equation for a simple harmonic motion is \[\frac{{{d}^{2}}{{y}^{2}}}{d{{t}^{2}}}+2y=0\], the time-period of the motion is     

A) \[\pi \sqrt{2}s\]

B) \[\frac{\sqrt{2}s}{\pi }\] 

C) \[\frac{\pi }{\sqrt{2}}\]

D) \[2\pi s\]