a
For first oscillator
$E_1=\frac{1}{2} m \omega_1^2 a^2 \text {, and } p = mv = m \omega_1 a = b \Rightarrow \frac{ a }{ b }=\frac{1}{ m \omega_1} .$ $............(i)$
For second oscillator
$E_2=\frac{1}{2} m \omega_2^2 R^2 \text {, and } m \omega_2=1$ $............(ii)$
$\left(\frac{a}{b}\right)=\frac{\omega_2}{\omega_1}=n^2$
$\frac{E_1}{\omega_1^2 a^2}=\frac{E_2}{\omega_2^2 R^2} \Rightarrow \frac{E_1}{\omega_1}=\frac{E_2}{\omega_2}$