Select the correct statements (s) :
A. The co-ordinate `(theta)` in ` psi (r, theta , phi)` is the angle form the positive z-axis ( the nroth pole ) representing lattiude .
B. The co-ordinate `(theta)` in ` psi ( r, theta , phi)` is the angle about the z-axis represnting the longitude ,
C. Tehe schrodinger equation restricts the elcron in a H-atom decrease exponentially towres zereo or ( r) increase .
D. The co-ordinate `(theta)` in ` psi ( r, theta , phi)` is the angle about the z-axis represnting the longitude ,
