The number of radial nodes of 3s and 2p orbitals respectively are

Options

A. 0,2
B. 2,0
C. 1,2
D. 2,1

Answer

b

Explanation

For 3s orbital ,`n=3,l=0`
For 2p orbital,`n=2,l=1`
`therefore` Number of radial nodes of `3s=n-l-1=3-0-1=2`
Number of radial nodes of `2p=n-l-1=2-1-1=0`