List of top Chemistry Questions on Bohr's model of hydrogen atom asked in MET

If an electron in \(n=4\) orbit of hydrogen atom jumps to \(n=3\), the energy released and wavelength emitted are:

For which of the following species Bohr’s theory is not applicable?

The ionisation energy of hydrogen atom is \(13.6\mathrm{eV}\). What will be the ionisation energy of He\(^+\)?

Ratio of wavelengths for \(2\to1\) transition in Li\(^+\), He\(^+\), and H is