Structure of Atom

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

1. Statement I is false but Statement II is true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Both Statement I and Statement II are true

Answer

(1) Statement I is false but Statement II is true

Solution

2px and 2py have the same n and l ⇒ degenerate (Statement II true).

E=0 ⇒ no photon, no spectral line (Statement I false).

Answer: (1)