Question

Describe what physical meaning is attributed to ψ 2

Answer 1

In quantum mechanics,
`\psi^2` the basic wave function has no physical meaning or significance. However,
`|\psi|^2` represents the probability distribution of particle in a given space.

Probability
`\propto`
`|\psi|^2`

So when you will put a position and a time in
`\psi^2` function, it will give you the probability of finding the particle at that particular position and at the given time.