• # question_answer For 2s orbital the nodal surface exists at a distance of A)  ${{a}_{0}}$ from the nucleusB)  $1.5\,{{a}_{0}}$ from the nucleusC)  $2\,{{a}_{0}}$ from the nucleusD)  none of these is correct

For 2s orbital, the nodal surface exists at a distance of $2{{a}_{0}}$