mPEC Forum

ฟิสิกส์โอลิมปิก วิทยาศาสตร์โอลิมปิก ข้อสอบแข่งขัน ข้อสอบชิงทุน => GRE - Physics => Topic started by: conantee on December 08, 2010, 04:51:07 AM



Title: GR9677.098
Post by: conantee on December 08, 2010, 04:51:07 AM
98. A particle of mass m is acted on by a harmonic force with potential energy function V(x) = m \omega^2 x^2/2 (a one-dimensional simple harmonic oscillator). If there is a well at x = 0 so that V = \infty for x<0, then the energy levels are equal to
(A) 0, \hbar \omega, 2 \hbar \omega, ...
(B) 0, \frac{\hbar \omega}{2}, \hbar \omega, ...
(C) \frac{\hbar \omega}{2},\frac{3 \hbar \omega}{2}, \frac{5 \hbar \omega}{2}, ...
(D) \frac{3 \hbar \omega}{2}, \frac{7 \hbar \omega}{2}, \frac{11 \hbar \omega}{2}, ...
(E) 0, \frac{3 \hbar \omega}{2}, \frac{5 \hbar \omega}{2},...