The plot of r^2 Psi^2 versus r for 2s orbital | vedclass

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(B) For an orbital,the radial probability density is given by $4\pi r^2 \Psi^2$. The plot of $r^2 \Psi^2$ versus $r$ represents the radial probability

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two maxima

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(B) For an orbital,the radial probability density is given by $4\pi r^2 \Psi^2$. The plot of $r^2 \Psi^2$ versus $r$ represents the radial probability distribution function.For the $2s$ orbital,the principal quantum number $n = 2$ and the azimuthal quantum number $l = 0$.The number of radial nodes is given by the formula $n - l - 1 = 2 - 0 - 1 = 1$.$A$ radial node is a point where the probability density is zero.For the $2s$ orbital,the radial probability distribution curve starts from the origin,increases to a maximum,drops to zero at the radial node $(r > 0)$,and then increases to a second,smaller maximum before approaching zero as $r$ approaches infinity.Thus,the plot exhibits two maxima.

The plot of $r^2 \Psi^2$ versus $r$ for $2s$ orbital of hydrogen atom exhibits :-

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