- 754

- 2

**1. Homework Statement**

[tex]

\frac{1}{r}\frac{d}{dr}(r^2\frac{d}{dr}\Psi (r)) + { \frac{2m}{\hbar^2}[E-V(r)] - \frac{l(l+1)}{r^2}}\Psi (r) = 0

[/tex]

[tex]

V(r) = -Vo r\leq a

[/tex]

[tex]

0 r > a

[/tex]

Use

[tex]

\Psi (r) = \Xi (r)/r

[/tex]

Questions asks to Find E l = 0, do I solve the general equation first or should I make l = 0 right away?

**2. Homework Equations**

**3. The Attempt at a Solution**