In 1926, Erwin Schrddot(o)dinger modifie...

In `1926`, Erwin Schrddot(o)dinger modified an existing equation that described a three-dimensional standing wave by imposing wavelength restrictions suggested by de Broglie's idea. It is a differential equation of the type

`(h^(2))/(8pi^(2)m)((del^(2))/(delx^(2))+(del^(2)psi)/(dely^(2))+(del^(2)psi)/(delz^(2)))+Vpsi=Epsi`

`-(h^(2))/(8pi^(2)m)((del^(2)psi)/(delx^(2))+(del^(2)psi)/(dely^(2))+(del^(2)psi)/(delz^(2)))+Vpsi=Epsi`

`-(h^(2))/(8pi^(2)m)((del^(2)psi)/(delx^(2))+(del^(2)psi)/(dely^(2))+(del^(2)psi)/(delz^(2)))-Vpsi=Epsi`

`(h^(2))/(8pi^(2)m)((del^(2)psi)/(delx^(2))+(del^(2)psi)/(dely^(2))+(del^(2)psi)/(delz^(2)))-Vpsi=Epsi`

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The correct Answer is:

The modified equation allowed hin to calculate the enegry levels in the hydrogen atom. A knowledge of differential calculus would be necessary to solve this equation.

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