State significance of Ψ and Ψ2. Draw radial probability density and radial probability distribution curves for 1s,2s,2p,3s,3p,3d,4s,4p.
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Solution
ψ is a wave function and refers to the amplitude of electron wave i.e. probability amplitude. It has got no physical significance. The wave function ψ may be positive, negative or imaginary
(ii) ψ2 is high, the probability of finding an electron is high i.e. electron is present at that place for a long time.