The normalised wavefunction for the 1s electron in the hydrogen atom is(adsbygoogle = window.adsbygoogle || []).push({});

ψ=(1/((PI^1/2).a^3/2)).exp(-r/a)

where a is the bohr radius.

What is the mean value of (1/r2) in terms of the Bohr radius a0?

Answer: 2/(a^2)

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: The mean value of (1/r^2) given a normalised wavefunction

**Physics Forums | Science Articles, Homework Help, Discussion**