Which quantum number cannot be obtained from the solution of the Schrodinger wave equation?

For an electron,if the uncertainty in velocity is $\Delta \nu$,the uncertainty in its position $(\Delta x)$ is given by:

Which of the following statements regarding $\Psi$ is incorrect?

Each quantum mechanical wave function does not have a readily interpretable physical meaning,but the square of the wave function gives the . . . . . . of finding the electron at a certain point.

What is the quantum mechanical model of the atom? Give its important features.

If the uncertainty in the position of an electron is associated with an uncertainty in momentum of $2 \times 10^{-17} \ g \ cm \ s^{-1}$,what will be the uncertainty in the velocity of the electron?