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  4. Wave function of an orbital is plotted against the distance from nucleus. <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-w7skzm6d9wuk8l0g.jpg /> The graphical representation is of

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Q. Wave function of an orbital is plotted against the distance from nucleus.
Question
The graphical representation is of

NTA AbhyasNTA Abhyas 2022

Solution:

There are two nodes in the graph, hence, it is for 3s-orbital.
Number of radial nodes = n - l - 1
= 3 - 0 - 1 = 2.