Question

The number of nodal points in the plot of , $R_{n,l}$ versus r is equal to the value of:

• A. $n$
• B. $l$
  
• C. $n-l$
• D. $(n-l)-1$

Answer 1

Answer: (D)

$(n-l)-1$

No. of nodal points$(n-l)-1$ where
$n=$ Principal quantum number
$l=$ Azimuthal quantum number