Question

Total number of nodes = _____

• A. n - l - 1
• B. l
• C. n - 1
• D. l - 1

Answer 1

The correct option is C

n - 1

Firstly,

Angular nodes = l

Radial nodes = n - l - 1

Total nodes = Angular nodes + Radial nodes

= l + n - l - 1

= (n - 1)