Question

$P$ is the probability of finding the 1s electron of hydrogen atom in a spherical shell of infinitesimal thickness $dr$, at a distance $r$ from the nucleus. The volume of this shell is $4\pi r^2dr$. The qualitative sketch of the dependence of $P$ on $r$ is

• A.
• B.
• C.
• D.

Answer 1

Answer: (C)

Answer 2

Probability of finding Is electron is maximum near the nucleus and goes on increasing till it reaches a maximum value at a distance $52.9\,pm$ and then begins to decrease abruptly. Even at large distance from the nucleus, there is a finite though small probability of finding an electron of a given energy.