Identify degenerate orbitals from following for hydrogen atom.

Which of the following statements is NOT true about Rutherford atomic model?

What is the wave number of photon emitted during transition from orbit, $$\mathrm{n}=4$$ to $$\mathrm{n}=2$$ in hydrogen atom $$\left[R_H=109677 \mathrm{~cm}^{-1}\right]$$

Which from following rule / principle states that "No two electrons in an atom can have the same set of four quantum numbers"?