MCQ
If $\lambda _L, \lambda _M$ and $\lambda _N$ are the wave lengths of electron in $L, M, N$ energy levels of $H-$ atom respectively. What is their decreasing order :
- A$\lambda _L > \lambda _M > \lambda _N$
- ✓$\lambda _L < \lambda _M < \lambda _N$
- C$\lambda _L > \lambda _M < \lambda _N$
- D$\lambda _L < \lambda _M > \lambda _N$
