At $t=0$ the distance from $1$ extreme is $2 A$
At $\omega t=\pi$ $x=0$
Hence by resulting values we can get equation for $S.H.M.$. from $S.H.M.$.


$(A)$ $E_1 \omega_1=E_2 \omega_2$ $(B)$ $\frac{\omega_2}{\omega_1}=n^2$ $(C)$ $\omega_1 \omega_2= n ^2$ $(D)$ $\frac{E_1}{\omega_1}=\frac{E_2}{\omega_2}$
