For 3s orbital of hydrogen atom, the normalised wave function is given by
Ψ3s=(1/81(3π)1/2)(1/a0)3/2[27- 18r/a0+ 2r2/a0] er/3 a0
The above mentioned orbital (3s) has two nodes at 1.99a0 and xa0. What is the approximate value of
x?
(a) 9 (b) 7
(c) 6 (d) 2
