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Consider psi (wave function) of 2s atomi...

Consider `psi` (wave function) of `2s` atomic orbital of H-atom is-
`psi_(2s)=(1)/(4sqrt(2pia_(0)^(3//2)))[2-(r )/(a_(0))]e^.(r )/(2a_(0)`
Find distance of radial node from nucleous in terms of `a_(0)`

A

`a_(0)`

B

`2a_(0)`

C

`(a_(0))/(2)`

D

`(a_(0))/(3)`

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