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## Main Question or Discussion Point

Hi everyone, Can any body solve my simple problems of quantum:

Usually we say, that wave function Ψ is dependent on r,θ,Φ .But this is just a coordinate system,or more than that. Imagination to this is qite difficult.

Moreover somewhere in a book I have read that if Ψ = f(r,θ) exp(imΦ),then on increment of 2pi in Φ does not change wave function.? Why?

Usually we say, that wave function Ψ is dependent on r,θ,Φ .But this is just a coordinate system,or more than that. Imagination to this is qite difficult.

Moreover somewhere in a book I have read that if Ψ = f(r,θ) exp(imΦ),then on increment of 2pi in Φ does not change wave function.? Why?