Answer to Question #225835 in Quantum Mechanics for ChandanaM

Question

A quantum particle confined to one dimensional box of width'a' is in its first excited state. What is the probability of finding the particle over an interval of (a/2) marked symmetrically at the centre of the box

Answer 1

$\psi=\sqrt\frac{2}a sin (\frac{πnx}{a}) ​ ​$

$n=2$