How do 1s and 2s orbitals differ in number of spherical nodes ?

The shapes of orbital may be represented by boundary surface diagrams. These boundary surface diagram give the most probable regions. S-orbitals are non-directional while p-, d- and f-orbitals have different orientations given by m_l values. These boundary surfaces also have sperical nodes or radial nodes and nodal planes which depend upon the values of n and l. How do 3s and 4s orbitals differ in terms of nodes present in these ?

The orbitals having the same number of spherical nodes are :

The number of spherical nodes in 4s orbital is

Statement-I : 2p orbitals do not have spherical nodes. Because Statement-II : The number of spherical nodes in p-orbitals is given by (n-2)

Statement-I : 2p orbitals do not have spherical nodes. Because Statement-II : The number of spherical nodes in p-orbitals is given by (n-2)

The number of sperical nodes in 4s orbital is

The number of sperical nodes in 4s orbital is

The number of spherical nodes in 3p orbitals is

The number of spherical nodes in 3p orbital are