`P` is the probability of finding the Is electron of hydrogen atom in a spherical shell of infitesimal thickness, dr, at a distance `r` from the nucleus. The volume of this shell is `4pi r^(2)dr`. The qualitative sketch of the dependence of `P` on r is
A.
B.
C.
D.
![image](https://d10lpgp6xz60nq.cloudfront.net/physics_images/SKM_COMP_CHM_V01_XI_C02_E01_368_O04.png)